What should fuel rail pressure be on duramax

6L Duramax LB7 specifications, history, & information. The ECM does not care about the volume of fuel, it just wants to know the fuel rail pressure and regulates the pump by the FCA (fuel control actuator), to increase or decrease pressure. Fuel pressure should also be tested under load with vehicle in gear or during acceleration. 9L or 6. 6L Sierra Silverado Duramax Fuel Rail High Pressure Sensor Fits 06-10 LBZ LMM 6. It to dealer said 1,6,7,8 injectors were bad replaced them put new fuel pressure regulator on and injector return lines because I had a leak efi says I have 230 psi in my fuel rail any suggestions? This fuel rail pressure gauge will be a great addition to your Duramax diesel and comes with white lettering on black face and bezel with orange needle, dimmable white LED illumination for night time visibility and can measure fuel rail pressure from 0 to 30,000psi. By Lindsey S. Pushing your Chevy or GMC Duramax diesel beyond its factory power levels is going to require a more robust fuel system. 6L Duramax (2223) Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Description. The PPE High Performance fuel rail with Race Fuel Valve will block the fuel pressure relief valve. Most P0089, P0093 and P1093 trouble codes are due to a problem with either the fuel supply (filter, lines, air leak, gelled fuel, etc. Summer comes, temps rise, and the working trucks with relatively high miles start to set a P0087 code and go into limp mode while towing. You should also scan the computer for DTC codes. 2001-2004 GM DURAMAX LB7 DIESEL FUEL PRESSURE REGULATOR MPROP Common fix to surging and lopey idle issues. Duramax Fuel Rail Pressure Sensor ~ hello friends our site, this is images about duramax fuel rail pressure sensor posted by Ella Brouillard in Duramax category on Dec 20, 2018. Part# 113071000. The Duramax uses a common-rail system, where high fuel pressure is always available to an electronically controlled fuel injector and it is the injector itself that controls the fuel that is delivered to the combustion chamber. P0087 Fuel Rail/System Pressure - Too Low OBD-II Trouble Code Technical DescriptionMake sure this fits by entering your model number. 6L Duramax Diesel Fuel System Test Kit The Duramax LML introduced the "9th injector" system in order to supply fuel to the DPF during regeneration. Being able to check fuel pressure (vacuum) can help an owner diagnose a future engine running problem or allow him to monitor the condition of the fuel filter in an on-going basis. 7 and Duramax high pressure pumps, and common rail injectors in stock! All years, all models! Part numbers include:Dec 20, 2007 · i'm a heavy duty diesel mechanic and have even seen older mechanically injected diesel non turbo engines run up to 750k before they even need an inframe overhaul . Tens of thousands of working-class diesel truck owners face the same issue. fuel rail pressure sensor , engine computer (ECM) and you should have a professional grade scan tool to work on these vehicles . Now, compound all of this with the fact that Duramax's have NEVER had a low pressure lift pump supplying fuel to the injection pump and you have some serious room for improvement. Test diesel fuel pressure and vacuum on GM 6. New Rail Pressure Sensor GMC Duramax 2001-thur early 2004 LB7 ENGINES 97329566. If you have performed all task's correctly you will not set a code 0380 which is low fuel rail pressure caused be a 06 duramax lly/lbz low fuel rail pressure. 5-10 GM 6. So here is my HOW TO for the Fuel Rail Shim Kit from PPE for LBZ/LLY Duramax. The RPO LB7 (engine code “1”) was first introduced in 2001 and continued until 2004. Fuel rail pressure during start or cranking is important to know. or is it just controled by sending unit pressure which the engine ecu controls Fuel Pressure Regulator 1 Performance. High Pressure O-Ring Failure (Figure 2 & 3) Improper alignment of the oil rail ball tubes during installation can result in damage to the high pressure o-ring resulting in oil leakage. another really good item on any diesel engine is a water/fuel separator just Oil Pressure Gauges can be an important instrument in ensuring the longevity of any vehicle. Also included as part of the gauge assembly is a Shrader fitting plug, to help prevent contamination while the gauge is not in use. Riverside Way • Post Office Box 11177 • Portland, Oregon 97211-1899 503-528-3400 • 800-888-8065 HERE AT FGT MOTORSPORT ATTENTION TO DETAIL IS OUR NUMBER 1 FOCUS DESIGN + INNOVATION HIGH PERFORMANCE PARTS AT A PRICE YOU CAN AFFORD We are a dedicated team of gear-heads with a passion for speed, quality, and performance. I C O N K E Y CAUTION Tools may be required 2 Shown in picture Find the factory Rail Pressure sensor and disconnect its harness connector. The Rail Pressure sensor should be mounted directly on the fuel rail. KennedyDiesel. Source: Kennedy Diesel Call: 715-255-9433 Fax 715-255-9499 www. High Pressure O-Ring Failure (Figure 2 & 3) Improper alignment of the oil rail ball tubes during installation can result in damage to the high pressure o-ring resulting in oil leakage. The most problematic issue with the LB7 is injector failure. The new Duramax 6600 light-truck diesel engine has launched General Motors into the lead in performance, fuel economy, reliability, and driveability. You can also find other images like wiring diagram, parts diagram, replacement parts, electrical diagram, repair manuals, engine diagram, engine scheme, wiring harness, fuse GM 6. Duramax Low Fuel Rail Pressure Sensor ~ thank you for visiting our site, this is images about duramax low fuel rail pressure sensor posted by Ella Brouillard in Duramax category on Dec 24, 2018. It to dealer said 1,6,7,8 injectors were bad replaced them put new fuel pressure regulator on and injector return lines because I had a leak efi says I have 230 psi in my fuel rail any suggestions? LB7 Duramax Engine 3/4 Long Block Remanufactured 6. So, since you're concerned about what pressure the fuel is at as it's ready to enter the engine set a fuel pressure gauge at the far end of the fuel rail and monitor it there. 6L Duramax Diesel Fuel System Test Kit GM 6. Jan 12, 2015 The fuel pressure relief valve can cause a lot of problems when not working properly. When a common rail engine fails to start, your first troubleshooting step should be to check fuel rail pressure. Make sure the regulator is vacuum operated. w/o scan tool narrowed down to cp3 fuel pump/ or small outside chance of the rail pressure sensor faulty. Find out why diesel fuel injectors fail and how to avoid it as we see if the injectors are the problem. The electronically controlled, high-pressure, common-rail diesel fuel systems of today render most owners lost when attempting to comprehend just what occurs under the hood. 2 rp > 190MPa No LLY Fuel Pressure Regulator, 2004. Home Chevy/GMC Sensors & Pigtails LLY Duramax Diesel Fuel Pressure Regulator 0928400653. Abstract: There are several approaches to control the pressure in the common rail. and actual fuel rail pressure that is more than 1,500 PSI should be Mar 29, 2017 If the engine won't start and actual fuel rail pressure is low during cranking, the supply side should be checked before testing the high side. Buy Deviant 71200 Fuel Rail Plug for 01-04 GM 6. Poor fuel mileage and high diesel prices affect your wallet especially if you make a living with your truck because every fill-up cuts into Form No. Every 16,000 miles the fuel filter should be changed. The KD Fuel Pressure Gauge can be valve fuel pressure test port. Lb7 fuel pressure relief valve duramax Richie's Truck and Auto How to test lb7 injector return rates balance rates cp3 failure rail pressure relief valve regulator Fuel Pressure Relief Low fuel rail pressure is a very common issue we see on Duramax trucks. Part of this upgrade should include an The Actual Fuel Rail Pressure and the Desired Fuel Rail Pressure should be within 690 kPa (100 psi) for the entire fuel pressure range. 6L Duramax engines As demand increases beyond the CP3's ability to supply, then fuel rail pressure starts to drop. If you have a stock CP3 pump you are losing fuel flow and rail pressure after 3000 RPM, which correlates to lost horsepower when you need it most. If not then step 3 is necessary to eliminate the rail pressure relief valve as a possible leak. Fuel Pressure Regulator fits 2001 - 2004 Chevy GMC 6. 6L LB7 Common Rail Injector $260. panel is easily reached should you someday need to rebuild the motor. if you're really good with maintenance like changing the oil every 7500 miles and changing the fuel filter every other oil change you should be just fine . L 06/16/2016) ISSPRO, INC. You may have to register before you can post: click the register link above to proceed. 2008 Duramax DTC code P0087 low fuel pressure If this is your first visit, be sure to check out the FAQ by clicking the link above. This gauge lets you know when your diesel is starving for fuel or when it is running at its optimal tune. Start and idle the engine. Bosch 23,000 psi high pressure common rail with Bosch CP3 injection pump. 6L Duramax: LGH and LML Diesel Engines Module 1: Fuel Return System Diagnosis 1-4 Engine Cranks But Does Not Run (continued) Constant Pressure Regulator On LGH and LML engines, the high voltage Piezo injectors require that the return side of the Fuel System is pressurized for proper operation. 6L GM Duramax LB7 All of the Common Rail Duramaxes feature a relief in the fuel rail which is designed to relieve pressure once it sees roughly 25,000 PSI to avoid damage to the stock injectors. , Ltd. truck has 135,200miles Make sure this fits by entering your model number. Related Products Alliant Fuel Rail Pressure Sensor 08'-10' Powerstroke $44. Chevy/GMC Duramax Fuel Injectors. IS1 69 (Rev. 2008 DMax 3500 pulling about 7 ton trailer. Injector Block-Off Toolfits2011 - 2016 Duramax (LML and LGH)This tool is a "must have" for anyone who works on Duramax LML/LGH common rail fuel systems. Unscrew valve and remove from 3. ; The PPE Race Fuel Valve, made from stainless steel, replaces stock or a shimmed pressure relief valve. 9/6. 6 MPa within 15 seconds. Problems associated with P0087 – low fuel rail pressure, usually while . 6 Duramax. LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES THAT MAY NEVER BE USED, OR REGISTERED OR LICENSED FOR HIGHWAY OR OFF-ROAD USE. The difference between the maximum and minimum reading is the pressure drop. Duramax LBZ and LMM P0087 Low Fuel Pressure code . what should fuel rail pressure be on duramax 1 Liter. Remove a spark plug and examine the end of it. To replace the fuel pressure regulator it will be necessary to first relieve fuel system Car details. on the Duramax motor. Like all the Duramax engines that came before it, the LMM is also void of a lift pump in stock form. 2005 Wiring Diagram. 6 Duramax diesel tips for fuel system diagnosis The Duramax diesel has proven to be a very reliable design. Command the fuel rail pressure to 160 MPa with a scan tool. 7 is a two piece intake, aluminum lower and a plastic upper. 5 review(s). 5L Detroit diesel. 00 The Dodge Cummins common rail uses the exact same CP3 injection pump as the Duramax engine and very similar injectors. loss of prime and low fuel rail pressure codes Industrial Injection Pressure Relief Valve Block Off 2001-2004 6. 6L Duramax Fuel Pressure Tester Set. GM Duramax - 2011-2016 LML VIN Code 8 - Fuel System - OEM Fuel System. From LED lighting, colors, and in some cases fonts, Isspro understand the importance of finely tuned design details. Pulled other valve cover, NO visible leak (after running at max rail pressure). This valve helps maintain fuel rail pressure during high engine load conditions. 1982-1993 6. The Fleece Performance CP3K is a modified Duramax LBZ CP3 designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM. It is an issue that has an array of different degrees but can leave you stranded on the side of the road if not recognized and dealt with. PPE product finish will vary. Since 2000, our own in-house on-road towing tests, comparing GM, Ford & Dodge, have proven GM's Duramax to …View and Download Chevrolet 2009 Silverado owner's manual online. This fuel rail pressure gauge will be a great addition to your Duramax diesel and comes with white lettering on black face and bezel with orange needle, dimmable white LED illumination for night time visibility and can measure fuel rail pressure from 0 to 30,000psi. i tried 2 18mm wrenches linked to gether to gain some leverage and still couldnt get it to move. i tried one 18mm wrench and i couldnt get it to move. Thanks for having that fuel pump in stock for my 5. The LBZ Duramax Engine utilized the new Bosch Common Rail Fuel system. The Corvette ZR1 runs fuel pressure in the 30s until an increased demand is on the system, at which point it will ramp the fuel pressure up to 88psi in the rail. It’s also important to check the fuel pressure with the key on, engine off (KOEO), then again with the engine idling. 6-liter LB7 Duramax Engine is produced by DMAX, a joint venture between GM and Isuzu in Moraine, Ohio. This article lists and explains the most common of these. The Duramax LML introduced the "9th injector" system in order to supply fuel to the DPF during regeneration. Part of this upgrade should include an Diesel & Truck Tools Compression Test GM 6. • 2515 N. Question on a LBZ fuel rail pressure? With a stock cp3 and a ad150 lift pump what psi should i be seeing? By Tarkstoys in forum Duramax 06 LLY / 06+ LBZ & LMM 6. There are quite a lot of options available on the market and finding a reliable supplier as well as someone to get the actual work done might be a bit challenging. On a CR Cummins, it is on the driver's side of the engine. 07 duramax codes p0087, p0128, p0672, p0673, p0676, p0671 07 duramax cab & chassis, throwing codes; po087,po128, po672,po673,po676,po671the main concern is the po087 code. com. 5L Duramax Diagnostics. How to Remove LB7 Duramax Fuel Injectors Step By Step Instructions LB7 Duramax Diesel 6. Thanks to TDR, I found out it means "Fuel Rail Pressure Sensor Low". Note: “Legal in California only for racing vehicles which may never be used upon a highway. P0193 Description The Fuel Rail Pressure (FRP) sensor is a diaphragm strain gauge device in which resistance changes with pressure. What you should have with the 5. 1. 6L LML/LGH Duramax . GM OEM LML/LGH High Pressure Fuel Line Rail Set (2011-2016) (0) Reviews: Write first review. If the pressure is less than 4,000 PSI on a 6. Enhanced Visibility 2 (EV2) by Isspro. Nov 25, 2015 GM states that balance rates should be no more than plus or minus 4 (+4/-4) in Cylinder compression, friction, fuel rail pressure, and the fuel The maximum allowable leakage for one injector is 3 ml in 15 seconds, cranking or at idle. Holley 12-802-1 Details Blue Max Pressure Electric Fuel Pumps. 6L turbo diesel V8 Duramax LML engine used in the Chevy Silverado HD and GMC Sierra HD, including specs, applications, and more. Pressure is maintained via a “Constant Pressure Regulator” at 4-11 BAR (58-160 PSI). Note that the fuel rail pressure is at 24,053 psi. It has been an excellent truck until recently. I have an 03 duramax that was running fine until one hesitant start, 5 seconds of GM 6. 6L GM Duramax LBZ, and LMM Rail Pressure Sensor is currently in stock and ready to ship within 24 business hours. 6L Chevrolet/GMC Duramax LB7, LLY is a toolbox essential for everyone working on common rail fuel systems. 7 Color Series 30,000 PSI Fuel Rail Pressure Gauge For Product Numbers: GS-C719, GS-T719, and GS-W719 Wire Color Code 09 GM 6. Commonly called the Cp4. Looking for a Chevy or GMC fuel injectors could be a serious burden. Removes fuel rail pressure sensor on 2006 to 2010 Duramax LBZ and LMM diesel engines Saves more than 1 hour depending on engine/vehicle model Reduces the amount of components that need to be removed to service the sensor Fuel Rail Pressure Sensor, LML, 2011-2012 LML Replacement Fuel Rail Pressure Sensor Maintains fuel rail pressure during full-throttle; Applications *: 2006-2010 Duramax. The Fuel Pressure Gauge can be found on Kennedy's Duramax Parts/Tools page. Each 2 1/16” Oil Pressure Gauge can act as an indicator for your engine’s well-being and alert you to any problems before damage occurs. 00. When a Duramax common rail engine will not start, the very first thing to check is fuel rail pressure. This eliminates the low fuel rail pressure DTC codes P1093 & P0087 (low fuel rail pressure during power enrichment) that are caused by insufficient PRV spring pressure. Jan 29, 2018 Low fuel rail pressure is a very common issue we see on Duramax trucks. Oil Pressure Gauges can be an important instrument in ensuring the longevity of any vehicle. The result eliminated cylinder washing concerns and permitted the use of up to B20 biodiesel. The Fuel Rail Pressure Sensor parameter should decay to less than 6. com FREE DELIVERY possible on eligible purchasesDear Diesel Owner, We understand your frustration with purchasing a very expensive diesel and getting less than optimal diesel fuel mileage. The injection pump sucks all the fuel from the tank. It is a part of vehicle’s fuel system and designed to monitor the fuel pressure that is present at the fuel rail. Duramax was exhibiting an extended crank/no start condition. The later version fuel system did away with the FICM and utilize a CP4 injection pump. Chevrolet 2009 Silverado Automobile Owner's Manual. 5 - 2006 Models LLY & LBZ Install Guide Parts Identification assembly. The idle pressure should generally be 6 to 10 psi less than the KOEO pressure reading. Buy Bosch 0928400653 Fuel Injection Pressure Regulator Bosch Metering Unit: Fuel Injection - Amazon. Cracking a fuel line loose on a running Duramax engine could easily be fatal. Home / Shop / Chevy Duramax / 6. hotshotsecret. 6L Duramax 2011 - 2016 (12661059) to your wish list. 6L LB7 Duramax Fuel Rail. We have Dodge, Cummins 5. Common Rail High Pressure Fuel Pump (CP3 pump) for 2001 - 2004 6. 00 stars, based on . fuel rail pressure, and the General Motors Duramax Diesel - LB7 Fuel System Diagnostics Published on March 29, 2017 March 29, 2017 • 12 Likes • 0 Comments. It will fire with just the smallest squirt of ether but will not stay running. P0087 is the DTC code for Low Fuel Rail Pressure. As diesel fuel injection systems become more complex and more sensitive to fuel quality, owners have become more tuned-in to the nature of diesel fuel systems. 6 L Duramax® engines • Gauge assembly includes a compound gauge with a 0–15 PSI (0–100 kPa) pressure plus 0–30 inHg vacuum scale and a protective rubber bootDuramax Fuel Pressure Regulator Valve Replacement Guide This is a GM guide for replacement of the FPRV. 00 Core charge applies, reimbursed upon return of good core components to PPE. com › Search › Chevy Duramax 6 6L Fuel Pressure Test Port Adapter Chevy Duramax 6 6L Fuel Pressure Test Port Adapter 0 PPE Diesel Fuel Rail Pressure Gauge for GM Duramax 6. Actual Fuel Rail Pressure should be equal to Desired Fuel Rail Pressure. They feel they have been ripped-off. 2009 Silverado Automobile pdf manual download. 6L 01-16 Chevy/GMC LB7 LLY LBZ LMM LML Duramax Fuel Rail Pressure Sensor Pigtail 6. 5 GM 6. 6L Duramax Diesel LB7 *No shipping fee applies to orders totaling $500 or more and shipping within the Contiguous United States JavaScript seems to be disabled in your browser. Buy Duramax Fuel Rail Pressure Sensor; If these codes set only on hard acceleration or when pulling a hill with a load, check fuel supply issues first. See what causes these high pressure injectors to fail in this month's issue of Diesel Power The example below shows a 2002 LB7 engine cranking over with the ignition relay unplugged. It eliminates potential low fuel rail pressure DTC codes P1093 or P0087 (low fuel rail pressure during power enrichment) that are caused by insufficient pressure relief valve spring pressure opening, returning fuel to the fuel tank. I six-cylinder engine with an automatic transmission. If it is sooty What You Need to Know About Duramax Balance Rates. The Duramax Engine is a General Motors diesel engine family for light to medium duty trucks. A leaking fuel rail pressure relief valve could produce the same effect. 91 How to Replace the Fuel Pressure Regulator on a Duramax LLY How to Replace a Fuel Pressure Regulator in a 2000 Chevrolet Malibu 3. The early fuel systems included an ECM (Engine Control Module), CP3 Injection pump, FICM (Fuel Injection Control Module), and injectors. One early approach method was to supply more fuel than is needed to the common rail and use a pressure control valve to spill the excess fuel back to the fuel tank. The electrical connectors to the other injectors are removed, isolating the injector being tested. Factory Replacement and Performance Exhaust Direct Fit Converters High Flow Converters Custom Street Demon and Race Demon MufflThe electronically controlled, high-pressure, common-rail diesel fuel systems of today render most owners lost when attempting to comprehend just what occurs under the hood. trouble diagnosing the problem. 6L Duramax BD Common Rail Fuel Plug $ 33. Fuel Rails are Prone to Contamination. Valvetrain: OHV (overhead Jun 10, 2015 · 2008 Duramax DTC code P0087 low fuel pressure If this is your first visit, be sure to check out the FAQ by clicking the link above. This type of diesel injection is called a common rail setup and the FCA is what tells the Aftermarket Fuel Supply System: $624. How to Replace the Fuel Pressure Regulator on a Duramax LLY How to Replace a Fuel Pressure Regulator in a 2000 Chevrolet Malibu 3. 2006-2010 6. Low fuel rail pressure readings can be a sign of fuel delivery trouble, and thanks to the PPE Fuel Rail Pressure Gauge it can be headed off before real trouble arises. 125 Sec. 6L 2001 - 2004 LB7 / Sensors Wiring Modules Glow Plugs / 6. Pressure Oil Rail Adapters which are needed to connect to the oil rail to test for The TamerX Diesel Fuel Injector Cap / Block-Off Tool Set for 6. ⇒ If the Actual Fuel Rail Pressure is less than 145 MPa (21,030 psi), inspect the inlet connection of the left fuel injection rail for debris, and replace the fuel injection pump if debris was found. E. During in-house chassis dyno testing, the folks at Area Diesel saw a 93hp gain at 2,650 rpm. I am on the receiving end of continuous calls over the past few years i We have Dodge, Cummins 5. Once you have the stored DTC’s please post them here. I have the Trinity programmer and I am haven almost the same issue as a few other people with my 2006 chevy duramax. 00 and taxes are charged based on your provinces tax %. Rail Pressure harness connects rail pressure gauge to fuel rail (passenger side). We recommend using SOURCE: 2004 lly duramax try hooking up a fuel pressure test gauge to fuel rail pre filter and post filter and rev truck to 2500 rpm what is fuel pressure ? next using a vacume pump attach to fuel pressure regulator pump up while engine is running only pump up to 8 psi to see if pressure changes if not replace pressure regulator . 06-07 Duramax LBZ Tech Articles - PPE Fuel Rail Shim Install LBZ/LLY - Ok ya'll, I got my fuel rail shim kit in and ya'll know I always do a writeup when Im doing upgrades. 5 - 2007 Duramax LLY & LBZ engines. Simply put, the backflow or return rate is excessive so the pump does not keep up and rail pressure drops. In a common-rail world understanding and modifying high-pressure fuel pumps for Cummins, Duramax, and Power Stroke engines can be done. 6 duramax is there a type of pulse width modual or controler or a pressure control for the fuel rail to control the piezo solinoids on the injectors. 6L Duramax diesel engine & associated components. It is considered generic because it applies to all makes and models of vehicles (1996-newer), although specific repair steps may vary depending on the model. Our testing of suspect injectors has shown backflow Fuel Rail Pressure FRP Sensor fits 2006 - 2010 Chevy GMC 6. If you experience hard starts especially restarting a short period after shutting off the engine, then one possibility is a leaking fuel system. The Fuel Pressure Gauge can be found on Kennedy's Duramax Parts/Tools page. 7L, or 2,500 PSI on a Duramax, one of the most likely causes is a defective injector that is returning excess fuel back to the tank. I tried to do a max fuel pressure Boost Increase Valve for 01-04 Duramax 6. New fuel lines will be required to route from the FICM to the Fuel Filter Housing. 7L Cummins and the 02-16 Chevy and GMC with 6. PPE Diesel Fuel Rail Pressure Gauge for GM Duramax 6. NOTE: The fuel pressure regulator will need to be scaled appropriately when installed in a 2001-2005 (LB7 or LLY) You can get the values here. Ramped up rail pressure to max, NO leak. Fuel_Mode Rail Pressure>0MPa Device control=Not active 99 Failure out of 100 sample Rail Pressure sensor Fuel Rail Pressure [FRP] Too High P0088 Rail pressure should be higher than minimum commanded rail pressure minus possible transitional undershoot Case. High Pressure Fuel Rail Part HPR076 OEM 97208076A whole new approach to diesel fuel injection was introduced by the first Duramax in 2001 (Ford had introduced electronic common rail diesel fuel injection before that, however the system required engine oil pressure to actuate the injectors. rail plug will help eliminate DTC's from low rail pressure during demanding low fuel rail pressure I have a 2002 duramax while towing or going up hill engine light comes on low fuel rail - Chevrolet Silverado 2500HD question The Fleece Performance CP3K is a modified Duramax LBZ CP3 designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM. The live data shows my fuel rail pressure is at 350 without cranking. Professional QC team Control the parts quality to make sure our parts are always with Top quality. See what causes these high pressure injectors to fail in this month's issue of Diesel Power The electronically controlled, high-pressure, common-rail diesel fuel systems of today render most owners lost when attempting to comprehend just what occurs under the hood. The Dodge Cummins common rail uses the same style CP3 injection pump as the Duramax engine and very similar injectors, but Dodge uses a lift pump in the tank to push the fuel up to the CP3. On LB7, LLY, and LBZ engines, actual fuel rail pressure should be 25 to 35 MPa (3626-5076 psi) at engine idle. I physically drove the truck so I know it was. Originally Posted by D45 It might be stock. Symptoms can include either a slow loss of coolant or allow the cooling system to build excessive pressure. We offer free shipping to provinces in Canada on all orders over $150. Chevy Duramax 6 6L Fuel Pressure Test Port Adapter | eBay www. 5-05 GM Duramax 6. The Duramax has proven to be a reliable engine since its introduction back in 2001. 07 duramax codes p0087, p0128, p0672, p0673, p0676, p0671 07 duramax cab & chassis, throwing codes; po087,po128, po672,po673,po676,po671the main concern is the po087 code. fuel pressure relief valve (high pressure limit valve), check to make sure it is not leaking into the return system when rail pressure is 160 MPa . 7 and Duramax high pressure pumps, and common rail injectors in stock! All years, all models! Part numbers include:Dec 20, 2007 · The LB7 (2001-2004 models) have experienced a few problems with head gaskets or injector cup seal leaks in recent years. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. 00 $280. P0193 is a diagnostic trouble code (DTC) for "Fuel Rail Pressure Sensor Circuit High Input". I've seen lift pumps cause problems with rail pressure at idle, but on a big tune at WOT, I have never even heard of someone having this problem. KD Fuel Pressure Gauge for the Duramax the fuel pressure test port shown below. Cheap sensor sensor, Buy Quality sensor pressure directly from China sensor fuel Suppliers: 0281002971 Genuine Fuel Rail Pressure Sensor For LBZ LMM 6. Bosch 23,000 psi high pressure common rail Duramax Fuel Pressure Regulator Valve Replacement Guide This is a GM guide for replacement of the FPRV. Description: Exergy New Stock Replacement Scorpion LH Fuel Rail 6. If you are running a CP3 in a high-performance application, we highly recommend installing a fuel supply pressure gauge to ensure there is correct fuel pressure at all times. 8 bar) to more than 26,000 psi (1,792. Details about Fuel Rail High Pressure Sensor Fits 06-10 LBZ LMM 6. This is opposed to the previous generation's (LML) late/post injection technique. However, using the scan tool to kill the injector does not reduce rail pressure in the injector and the tip can still Jan 29, 2018 Low fuel rail pressure is a very common issue we see on Duramax trucks. SOURCE: 2004 lly duramax try hooking up a fuel pressure test gauge to fuel rail pre filter and post filter and rev truck to 2500 rpm what is fuel pressure ? next using a vacume pump attach to fuel pressure regulator pump up while engine is running only pump up to 8 psi to see if pressure changes if not replace pressure regulator . Injector Block-Off Toolfits2011 - 2016 Duramax (LML and LGH)This tool is a "must have" for anyone who works on Duramax LML/LGH common rail fuel systems. My truck effectively died last week and threw the P0192 code. Duramax LBZ and LMM P0087 Low Fuel Pressure code . Also for: 2009 silverado 1500 pickup, 2009 silverado 2500 pickup, 2009 silverado 3500 pickup. The Dodge Cummins common rail uses the exact same CP3 injection pump as the Duramax engine and very similar injectors. This Fuel Rail Plug (sometimes referred to as race plug) for the Duramax Diesel Engine helps maintain fuel rail pressure during heavy engine load conditions. 9L. low fuel rail pressure I got a 05 duramax won't start with out either took. DHD has had a select few LML's pass through the shop needing fuel rails. This means the CP3 only has to do the job it was designed for (Feed the injectors with high pressure fuel) BUY CUMMINS FASS PUMP HERE Removes fuel rail pressure sensor on 2006 to 2010 Duramax LBZ and LMM diesel engines Saves more than 1 hour depending on engine/vehicle model Reduces the amount of components that need to be removed to service the sensor Low fuel rail pressure readings can be a sign of fuel delivery trouble, and thanks to the PPE Fuel Rail Pressure Gauge it can be headed off before real trouble arises. Fulfillment by Amazon (FBA) is a service we offer sellers that lets them store their products in Amazon's fulfillment centers, and we directly pack, ship, and provide customer service for these products. Fuel Pressure Regulator, MPROP - GM# 97728979. If you have performed all task's correctly you will not set a code 0380 which is low fuel rail pressure caused be a The Chevy/GMC Duramax LMM By bringing the fuel rail pressure to its desired pressure sooner, it allows for finer fuel atomization. 2007 duramax diesel 6. 6L LB7 Chevy Silverado GMC Sierra. Any time you’re running max-effort tuning, it pays to make sure the CP3 injection pump is receiving a consistent supply of fuel pressure and volume. 6 Duramax Engine Orange/Black 3. We are currently only shipping to addresses in Canada. Ideally, each injector should drop the same amount when opened. Locate the fuel pressure testing port on the top of the fuel rail and remove the small cap from the top of the port. Fuel Pressure Regulator For GM Duramax Guangzhou YaoPei Auto Parts Co. When a Duramax engine fails to start, your first troubleshooting step should be to check fuel rail pressure. Duramax Fuel Rail Pressure Sensor Wrench SCH12150 Brand New! Free shipping applies only to the contiguous 48 States. • Designed for testing diesel fuel pressure and vacuum on GM® 6. What are the symptoms ? Pumps break down over time from dirty diesel/mis fuel That then leaves the whole system contaminated with fine metal swarf which of course kills the injectors and rail . 7 Ford Scorpion 2011-2015 six-cylinder engine with an automatic transmission. Using the PPE Fuel Rail Pressure Gauge, it can be headed off before real trouble arises. Over the past 15 years we have upgraded over 35,000 "Daily Driver" diesels with the Safest, most Warranty Friendly diesel performance products on the market. DTCs related to a bad fuel pressure regulator: DTC P0087 Fuel Rail Pressure (FRP) Too Low DTC P0088 Fuel Rail Pressure (FRP) Too High DTC P0089 Fuel Pressure Regulator Performance DTC P0090 Fuel Pressure Regulator Control Circuit FUEL RAIL PRESSURE GAUGE AND WIRE HARNESS INSTALLATION INSTRUCTIONS 1 Disconnect batteries. If the ECM detects that fuel pressure isn’t rising sufficiently on command, it will set a diagnostic trouble code, DTC P0087, “Fuel Rail/System Pressure – Too Low,” and illuminate the malfunction indicator lamp (MIL). Fuel rail pressure harness makes installation easier in order to install a Fuel Rail Pressure gauge, otherwise stock harness will need to be modified for installation. The 2006 has a change fuel filter reminder on the DIC, but I don't know how it calculates the change interval. Using a stopwatch, observe the decay of the Fuel Rail Pressure Sensor parameter with a scan tool. If it is not, DTC P0191 may set. Fits: 2001-2012 Duramax LB7, LLY, LBZ, LMM and LML diesel engines This tool is designed to remove the fuel rail pressure sensor on the 2006 to 2010 DURAMAX LBZ and LMM diesel engines. Form No. 1 rp > 167MPa Case. truck has 135,200milesMake sure this fits by entering your model number. 6L LB7 Duramax Common Rail Pump (2001-2004) Remanufactured Bosch High Pressure Fuel Pump (CP3) 5. 3 Route the ISSPRO Rail Pressure harness up to the Rail Pressure sensor. 9 The actual pressure jumps The pressure does not hold when the engine is shut off. i believe this is because of the microns of the filter and it plugging resulting in low fuel pressure up front on Car details. If rust, contamination or metal particles are found the fuel system must be cleaned including the tank, filter housing, supply lines and the high-pressure system. 6L Duramax Common Rail High Pressure Relief Valve. Ford fuel systems modulate the pump in an effort to maintain effective fuel pressure at 3 bar. Check here for special coupons and promotions. 6L, V-8, turbocharged, Duramax engines available in the 2011 - 2016 HD trucks. Located in the rear end of the right fuel rail under the EGR cooler. Getting a quality piece that works the way it should, helps you save a lot of money on fuel and also helps keep the engine running smoothly. The injector is right behind the throttle body, should be and oval looking hole in the plastic intake that goes around the injector, the injector will have two fuel lines and a electrical connector connected to it. the LB7 had terrible problems with fuel injectors failing. Don’t go there. Form No. 0928400653 Fuel Pressure Regulator for 2004. This is the valve for the 2006 - 2010 Duramax LBZ / LMM engines. The Econ Performance Module controls the engines fuel rail pressure allowing you to precisely adjust the engine's low-end 2019+ Duramax 3. ebay. 6L Duramax Engine. passenger side fuel rail, beneath the EGR cooler. The KD Fuel Pressure Gauge comes with a quick-release Shrader valve matching that used on the Duramax fuel pressure test port. Low fuel rail pressure readings can be a sign of fuel delivery trouble. 6L Duramax LBZ LMM - Part # 0281002971, 98090186. The fuel pressure regulator for the 3. 2006 duramax lbz help needed Discussion in ' I am thinking a Fuel rail Pressure valve is leaking or by passing to the fuel tank. 6 in chevy kodiak c4500 4x4 with 230k miles low fuel rail pressure code consistently replaced 4 injectors there is an auxillary fuel tank clear codes then operates fine for a whi … read more The fuel rail sensor, commonly referred to as the fuel pressure sensor, is an engine management component that is commonly found on diesel, and some gasoline injected vehicles. H&S Motorsports is pleased to introduce the Dual High Pressure Fuel Kit for the 2011-2014 6. The rail is mounted along the top area of the engine. Im nearing the end of my swap/build (about 4 years later) and I cannot get it to fire. FUEL PRESSURE RELIEF VALVE . See what causes these high pressure injectors to fail in this month's issue of Diesel Power Information about GM's 6. minus the vicegrips and my fuel valve Fuel Filter Housing Oring Leaks – The Duramax fuel system does not have any sort of low pressure fuel pump pushing fuel to the engine from the tank. New 01-04 Duramax Diesel LB7 Fuel Pressure Regulator 0928400535 Fit GM Chevy GMC. OEM Replacement RH Fuel Rail for LML Duramax's. I EV2 0-30,000 PSI Fuel Rail Pressure Gauge. The injectors require a minimum of 3 BAR (45 psi) of pressure in the return system. 5 and 2005 Duramax Upgrades . If you google "Duramax LMM Bottle Test" you should find the procedure. Concurrent DTCs may include cylinder misfire, air-fuel ratio sensor, or fuel trim codes. 6L Sierra Silverado Duramax Item Information Fuel pressure loss on LBZ Duramax engine. 04. 01-04. 2011+ LMM – Use R82003 programmer to set gauge up as 100 psi boost gauge with 287° Sweep (under “Advanced”) for correct values. Duramax fuel pressure regulator Changing the FPR on a LLY Duramax. Fuel Rail Pressure Gauges are only compatible with the 03-16 Dodge Ram 5. 01-08 Duramax Diesel Fuel Filter replacement . OEM Fuel Rail Pressure or HPOP Sensor +12V Dash Lighting Good Engine Ground +12V Connection Switched White Black INSTALLATION INSTRUCTIONS DIESEL FUEL RAIL PRESSURE & HPOP GAUGES 2650-1481-00 Rev. • Maximum injection pressure increased from 23,000 psi (1,585. Oct 11, 2012 LB7: Fuel Pressure specification nh_duramax nh_duramax is offline Does anyone know what the fuel rail pressure should be at idle?Apr 28, 2011Jan 12, 2015Jan 26, 2012 Duramax 6600 Welcome to the Internet's first Duramax 6600 diesel discussion forum At an idle the desired fuel rail pressure reads k 4. These valves are known to go bad and open prematurely causing a "fuel rail PSI low" problem. 06 duramax lly/lbz low fuel rail pressure. This is a 32-valve design with high-pressure common-rail direct injection and aluminum cylinder heads. It eliminates potential low fuel rail pressure DTC code P1093. 6L R&R Remove and Replace Working on any automobile engine can be intimidating, and that is the very reason why mechanics stay in business, However some tasks that seem intimidating are not actually that difficult if you have the right tools and the right oil pressure on a Power Stroke can reach nearly 4,000 psi, the Duramax fuel system is pressure-relieved at a blistering 27,550 psi. 5-2010Chevy/GMC 2500/3500 HD Duramax. Fuel Rail Pressure Gauge Harness by PPE®. Having one on the regualtor if you've got it installed before the rail might not be 100% accurate of the situation. Fits: 2001-2012 Duramax LB7, LLY, LBZ, LMM and LML diesel engines on a 2007 gmc pk with 6. 6L Duramax LB7. 6-Liter LB7 Duramax Engine – 3/4 Long Block – Built to Factory New Specifications with Updates – Diesel Experts SKU: LB7 3/4 Long Block Categories: Duramax , Engine , LB7 [Archive] Discuss the first generation (2001-2004 LB7) of the 6. low fuel rail pressure We own a 2006 chevy silverado extended cab dually diesel and my husband tows campers with it. The dual fueler option is $2000-$3000 depending on if you choose a kit with or without a pump, and whether or not you want a modified CP3 or a stock one. Sexton. Duramax Fuel Pressure Regulator Valve Replacement Guide WHY ARE MY INJECTORS FAILING? area of fuel quality rather than on the Duramax fuel filter excessive wear in a high pressure fuel system such as the one in the Fuel pressure regulator, check to make sure it is not stuck. Published at Saturday, December 29th, 2018 - 7:17 AM. PPE’s Ported Fuel Rail Fitting replaces the restrictive stock fitting and helps maintain fuel rail pressure during heavy engine load applications. 5-2005 Duramax This was a running duramax/Allison combo. ) or a bad component in the high Click the button below to add the Rail Pressure Relief Valve - Bosch - Modified 34k PSI to your wish list. d. Do not reconnect battery power until system is fully configured to avoid risk of shock or fire. One end of the ISSPRO A copy of the part request, repair order with technician comments, snap shot of the preliminary (actual) fuel rail pressure vs desired as commanded by the Tech 2® and the completed diagnostic worksheet should be included with the injectors. This diagnostic trouble code (DTC) is a generic OBD-II powertrain code. New Genuine OE Bosch F00R001205. ”. It also works great on the 04-05 LLY engines due to the slightly higher opening PSI. A whole new approach to diesel fuel injection was introduced by the first Duramax in 2001 (Ford had introduced electronic common rail diesel fuel injection before that, however the system required engine oil pressure to actuate the injectors. To replace the fuel pressure regulator it will be necessary to first relieve fuel system Duramax Low Fuel Rail Pressure Sensor ~ thank you for visiting our site, this is images about duramax low fuel rail pressure sensor posted by Ella Brouillard in Duramax category on Dec 24, 2018. com/fuel-pressure. 6L 01-16 Chevy/GMC LB7 LLY LBZ LMM LML Duramax Fuel Rail Pressure Sensor Pigtail Click the button below to add the CP4. An FPR (Fuel Pressure Regulator) problem or a worn out high-pressure pump could also cause this problem. Remove the fuel return rubber hose from the rear of the left fuel rail and plug the hose to prevent fuel leakage. Installation Note: Should be mounted below the fuel level of the tank for a good gravity feed on the inlet side. 6L LBZ/LMM 2006-2010. This means the CP3 only has to do the job it was designed for (Feed the injectors with high pressure fuel) BUY CUMMINS FASS PUMP HERE Cheap sensor sensor, Buy Quality sensor pressure directly from China sensor fuel Suppliers: 0281002971 Genuine Fuel Rail Pressure Sensor For LBZ LMM 6. See what causes these high pressure injectors to fail in this month's issue of Diesel Power Holley 12-802-1 Details Blue Max Pressure Electric Fuel Pumps. Diagnostic Trouble Codes - P0087 and P1093 - Hot Shot's Secret®‎ www. Match your Isspro EV2 Gauges with your OEM gauges. 6L Duramax Diesel Fuel System Test Kit For diesel fuel pressure and vacuum testing on GM 6. com/diagnose/chevygmc-pickup/duramax-p0087The Engine Control Module (ECM) regulates pressure in the fuel rail by taking (This example diagnosis is from a 2004 Chevy 6. Photo shows valve loosen and unthreaded most of the way. 6L Duramax LB7 at Deviant Race Parts. 6L GM Duramax. When a common rail engine will not start, the very first thing to check is fuel rail pressure. This confirms the pressure regulator is working. Potential Related Diagnostic Trouble Codes (DTC's): DTC P0087 Fuel Rail Pressure (FRP) Too Low DTC P0088 Fuel Rail Pressure (FRP) Too High DTC P0089 Fuel Pressure Regulator Performance DTC P0090 Fuel Pressure Regulator Control Circuit Fuel Rail Pressure FRP Sensor for 2004 - 2005 Chevy GMC 6. This gauge lets you know when your diesel is starving for fuel. Duramax Fuel Pressure Sensor ~ you are welcome to our site, this is images about duramax fuel pressure sensor posted by Benson Fannie in Duramax category on Dec 09, 2018. The symptoms were what many described - an old school diesel sound (loud, old Chevy diesel), intermittent gasping and shuddering, not starting etc. If your fuel pressure regulator is going bad, your car could display several different symptoms. GM 6. This is what cam in the kit. rail plug will help eliminate DTC's from low rail pressure during demanding Locate the fuel pressure regulator on the fuel rail. 3. In turn, elevating fuel-air ON and engine OFF, fuel rail pressure will be close to 0. Fuel pressure valve can now be seen after removing Glow Plug Controller fuel rail. ive got the HS fuel pressure relief valve shim kit and while i was going thru the directions to put it on i got stuck on the step where i hav to pull the valve out of the rail. Potential Related Diagnostic Trouble Codes (DTC's): DTC P0087 Fuel Rail Pressure (FRP) Too Low DTC P0088 Fuel Rail Pressure (FRP) Too High DTC P0089 Fuel Pressure Regulator Performance DTC P0090 Fuel Pressure Regulator Control Circuit Fuel Pressure Regulator fits 2001 - 2004 Chevy GMC 6. GM Duramax LB7 Fuel Pressure Regulator MPROP 2001-2004 DEC011535 Duramax Diesel Electronics - Digital Diesel Fuel Rail Pressure (FRP): The Duramax engine employs a common-rail fuel system. It should hold the pressure but if it doesn't what you will be looking for is fuel being pushed out somewhere on the fuel system from the tank to the CP3. Here are a few of best rated 2005 duramax fuel pressure regulator wiring diagram images on the internet. Save duramax fuel pressure tester to get e-mail alerts and updates on your eBay 1 product rating - Lang Tools TU-32-6 Gm 6. Symptoms of a Bad Fuel Pressure Regulator A good fuel pressure indicator always regulates the level of fuel going through it at an optimum level. 6 bar) • Fuel delivered via higher-pressure pump, fuel rails, distribution lines and all-new, seven-hole fuel injectors • Fuel injectors spray directly onto glow plugs, providing faster, better-quality starts and more The Fleece Performance CP3K is a modified Duramax LBZ CP3 designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM. With it running I could command the Fuel Rail Pressure to 160MPa and it would climb to 60MPa and no more. I suppose fuel can leak from the high pressure supply pipe and connection, the injector body can crack, the return line or connections, and the high pressure fuel pump seal (which is not visible). See what causes these high pressure injectors to fail in this month's issue of Diesel Power . It to dealer said 1,6,7,8 injectors were bad replaced them put new fuel pressure regulator on and injector return lines because I had a leak efi says I have 230 psi in my fuel rail any suggestions? Fuel rail pressure harness makes installation easier in order to install a Fuel Rail Pressure gauge, otherwise stock harness will need to be modified for installation. The actual fuel rail pressure should follow the desired very closely at high load situations. Note: $250. This is very important on the Duramax because not only does the CP3 have to provide the high pressure to the fuel rail, it also has to do the job of sucking fuel from 15 feet away where other manufactures push the fuel from inside the fuel tank up to the injector pump which is a much better design. 6L Duramax Fuel Rail Valve Shim Kit, 2004. Fuel filter change is critical on the duramax because of the extremely high pressures of the common rail injection system. Mounted in the engine bay, directly feeds high pressure to the common rail and draws fuel from the tank. 2. Fuel Pressure Leak-Down Test An area often overlooked is the performance of the fuel system not while the engine is running, but when it is shut off. OBD fault code P0088 is defined as “ Fuel Rail/System Pressure – Too High”, and is set when the PCM (Powertrain Control Module) detects an abnormally high pressure in the fuel rail, or sometimes in other parts of the fuel system. 5-2010 GM 6. 7 and Duramax high pressure pumps, and common rail injectors in stock! All years, all models! Part numbers include: The electronically controlled, high-pressure, common-rail diesel fuel systems of today render most owners lost when attempting to comprehend just what occurs under the hood. Riverside Way • Post Office Box 11177 • Portland, Oregon 97211-1899 503-528-3400 • 800-888-8065 • Fax: 503-528-3495 HERE AT FGT MOTORSPORT ATTENTION TO DETAIL IS OUR NUMBER 1 FOCUS DESIGN + INNOVATION HIGH PERFORMANCE PARTS AT A PRICE YOU CAN AFFORD We are a dedicated team of gear-heads with a passion for speed, quality, and performance. Get your bad fuel pressure regulator checked if you notice any of the following. 6L Duramax 2011 - 2016 (12651989) $349. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. 2004. . Duramax LBZ and LMM P0087 Low Fuel Pressure code Summer comes, temps rise, and the working trucks with relatively high miles start to set a P0087 code and go into limp mode while towing. This rail may be your issue. Common places for these leaks are the fuel filter mounting housing and the pressure port shrader valve located at the front of the engine on the passenger side. If you've exhausted your options trying to find the source of a fuel pressure loss. The electrical resistance of a strain gauge increases as pressure increases, and the resistance decreases as the pressure decreases. If you are positive that the supply-side is in good order (tank pickup, fuel lines, fuel filter) then the next thing to test is the fuel pressure relief valve (FPRV) as you noted in your comment. 6. Most orders ship within 1 business day. Dear Diesel Owner, We understand your frustration with purchasing a very expensive diesel and getting less than optimal diesel fuel mileage. Application: 2001-2008 Duramax LB7, LLY, LBZ and LMM diesel engines Product Description: Rail Pressure harness connects rail pressure gauge to fuel rail (passenger side). Observe the Fuel Rail Pressure Sensor parameter with a scan tool. And don’t fool with the Duramax fuel rail bleeder valve unless the engine is at rest and the pressure has been relieved. You could look on YouTube, there are a lot of guys that post auto repair videos there, even ones on diesel's with no start problems. 6-liter LBZ Duramax Engine is produced by DMAX, a joint venture between GM and Isuzu in Moraine, Ohio. Worked great. Disconnect the negative battery cable from the battery. 2001 Duramax. 00+. 6-Liter LB7 Duramax Engine. At highway speed 65mph DIC says change fuel filter, engine went to limp and threw "generic low fuel rail pressure" code. This kit has been in development since June 2012 and is finally available to the public after over 11 months of testing and refinement. Order Fuel Injection Fuel Rail Pressure Relief Valve for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Disconnect the fuel rail pressure sensor the fuel pressure should be greater than 175 MPa as displayed on the scan tool. 5-2012 GM/Duramax *This will fit the 2001-2004 LB7 models with modifications. ¤If not within the specified range, replace the Q18B fuel pressure regulator 2. 2L and 6. Open the hood on the Malibu. ) Does the vacuum measure less than the specified value (5 in) through the entire RPM range?The electronically controlled, high-pressure, common-rail diesel fuel systems of today render most owners lost when attempting to comprehend just what occurs under the hood. ON and engine OFF, fuel rail pressure will be close to 0. Fuel Pressure Regulator 1 Performance. ) Does the vacuum measure less than the specified value (5 in) through the entire RPM range?Feb 4, 2016 Common-rail diesels like the Duramax have sky-high fuel pressures north of 20,000psi, The PPE unit maintains fuel-rail pressure during prolonged . Each bank of cylinders is supplied with fuel from its own rail This valve helps maintain fuel rail pressure during high engine load conditions. Common Rail High Pressure Relief Valve This is the pressure relief valve located in the driver's side fuel rail on the 2004. Description: Fits: 2004. Install a section of rubber fuel hose on the fuel pressure relief valve connection and place it in a clean fuel container. Engine related discussion ONLY. Replace Your Duramax LB7 High Pressure Fuel Lines Before it’s too Late Where water and rust can collect. (medium duty). I do it every other oil change. Should you find a solution, please be sure to let all of us know so that I understand I have a low fuel rail pressure, which according to atp is is low, then what are the correct parameters the pressure should be at?The Engine Control Module (ECM) regulates pressure in the fuel rail by taking (This example diagnosis is from a 2004 Chevy 6. The 6. Observe the Actual Fuel Rail Pressure parameter. 2 High Pressure Fuel Injection Pump - NEW OEM Genuine GMC & Chevrolet LML 6. B CAUTION! As a safety precaution, the +12V terminal of this product should be fused before connecting to the 12V ignition switch. On a Duramax, it is on the passenger's side fuel rail, towards the rear of the engine. The Ag Solutions (parent company, Area Diesel) Truck Series Module taps into the factory fuel rail pressure sensor in order to add performance. Learn More. A mechanic could hook up a fuel pressure gauge on the rail and watch how it responds depending on the various up/down Every 16,000 miles the fuel filter should be changed. 6L Chevrolet/GMC Duramax (LGH, LML) is a toolbox essential for everyone working on Duramax fuel systems. The TamerX Diesel Fuel Injector Cap / Block-Off Tool for 2001-2005 6. This mean the CP3 only has to do the job it was designed to do, and that is feed the injectors with high pressure fuel. As impressive as GM's new engine platform appeared, the LB7 had terrible problems with fuel injectors failing. Duramax Fuel Pressure Regulator Valve Replacement GuidePPE Ported Fuel Rail Fitting. The parameter should be between 30-40 MPa, depending on engine coolant temperature (ECT). Duramax Injector Installation Tips Read Before Installing This Injector Perform a fuel system inspection prior to installation of replacement injectors. The sensor cannot be removed with conventional tools unless the EGR cooler and heat shield are removed first. Disconnect the fuel rail pressure sensor the fuel pressure should be greater than 175 Mpa as displayed on the scan tool. You will need a scan tool or Edge insight to view desired and actual fuel pressure. As each injector is energized, a fuel pressure gauge is observed to monitor the drop in fuel pressure. 6 liter Duramax engines. Product Description 6. If the Fuel Rail Pressure Sensor parameter is more than the specified value within the specified time period, then reprogram the ECM. what should fuel rail pressure be on duramaxPDF: 2011 – 2016 6. That is going to be a big help. If vehicle is equipped with a fuel pressure test port at the fuel rail or line, check fuel pressure using a mechanical pressure gauge to determine if it is within specifications. Related Products Fuel Rail - Driver Side - NEW OEM Genuine GMC & Chevrolet LML 6. 6-Liter LBZ Duramax Engine. 20. Fuel rail pressure harness makes installation easier in order to install Fuel Rail Pressure gauge, otherwise stock harness will need to be modified for installation. - - Fuel Rail Pressure low (https: Hoping someone can give me some a solution. Following up on a previous blog post about keeping your diesel engine running clean, another way you can keep dirt, rust and debris out of your engine is to make sure your fuel lines are nice and clean. Com : 4x4 and Off-Road Forum Rail Pressure Feedback Mode Key_on_time>0. Essential 2004. But Dodge uses a lift/supply pump to push the fuel from the tank all the way up to the CP3. Source: Kennedy Diesel Call: 715-255-9433 Fax 715-255-9499 www. 2 Rails needed per Engine. On all engines, minimum pressure must be 10 MPa (1450 psi) to start. Recommended feed pressures for CP3 and CP4 equipped engines: Dodge/Cummins ’03 – …The LB7 Duramax was first introduced for the 2001 model year as General Motors retired its 6. 0L PRO Performance • Maximum injection pressure increased from 23,000 psi (1,585. but it should be pretty hard to see that much psi without a pressure box added The higher the psi the Duramax losing fuel rail pressure problem ???? - Page 3 - Pirate4x4. Before condemning the high pressure pump you need to make sure there are no high pressure fuel leaks. View Glow Plug Controller mounted on Driver Side A radial, 3-piston pump, with a gearotor pump attached to the back, is used as the high-pressure pump for common-rail fuel pressure generation - in this system it is capable of pressures between 300-1600 bar (4351-23206 psi) . Factory Replacement and Performance Exhaust Direct Fit Converters High Flow Converters Custom Street Demon and Race Demon MufflView and Download Chevrolet 2009 Silverado owner's manual online. 6L Duramax LLY. THE JUNCTION BLOCK Fuel is fed from the high-pressure pump to a junction block that sends fuel to the “common rails,” which provide the controlled fuel pressure to the injectors. LML: Short hand for Chevy and GMC 6. Duramax fuel filter issues fuel rail mods. The actual fuel pressure should be the same as the commanded pressure. Important: DO NOT replace the ECM, the fuel rail pressure regulator, or the fuel rail pressure sensor for this condition. We've got the http://duramaxtuner. 6 bar) • Fuel delivered via higher-pressure pump, fuel rails, distribution lines and all-new, seven-hole fuel injectors • Fuel injectors spray directly onto glow plugs, providing faster, better-quality starts and more If you see 36 psi or 38 psi, you need to replace the fuel pressure regulator. Neglecting to monitor fuel rail pressure can result in damage to your fuel pump, injectors, or a loss of overall horsepower. 4-liter is located at the beginning of the fuel rail on the left side of the engine and can be removed without disassembly of any engine component. Includes 6' hose and quick coupler