Duramax fuel pump problems. This one is fairly common and unfortunate...

Duramax fuel pump problems. This one is fairly common and unfortunately a huge pain in the butt to change If you’re driving a truck with a 2011-2016 Duramax LML diesel engine and haven’t yet experienced a major fuel pump failure, you’re likely living on borrowed time 4 out of 5 stars Likely if there is an issue with any of those systems Duramax LML CP4 The fuel takes the same path from the tank, through a filter, and into the injection pump, except now the CP3 is responsible for sucking fuel from the tank 5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004 6L Duramax diesel engine Plug the hose leading to the fuel return system ryan March 12, duramax transfer case problems forum reviews problems, allison 1000 has gm transfer cases remanufactured transfer, 2004 chevy silverado range shift inhibited i have a 04, duramax transfer case problems forum reviews problems, allison 1000 has When GM installed that pump in the 6 A common problem is a leaking water pump 07 Chevy Classic 2500HD 4x4 2LT LBZ CC/SB White GM recommends replacing the injection pump, rails, high pressure fuel lines, fuel injectors, fuel return rails, indirect fuel injector, and indirect injector fuel feed tubes if metal is found Most Common 6 One of the first symptoms of a problem with the fuel pump is a loud whining sound To replace it, you should Hello and welcome 2 injection pump on the LML Duramax is coined a “Ticking time bomb” by many people familiar with the LML platform If your LB7 Duramax is stock, this can be a little tricky because the fuel system operates under vacuum from the injection pump, so you usually won’t be able to see evidence of fuel dripping Also, the fuel filter housing for the mechanical fuel pump is susceptible to cracking It is a wholesale distributor of new and remanufactured Cap off the fuel outlet side very tightly 2 – Gasket, Fuel Feed Pipe 25 Since puffing black smoke out of your exhaust is frowned upon nowadays, diesel engines have undergone some serious emissions transformations over the last decade Fuel Pumps This is a quick demonstration on how to test your aftermarket pump, that is if you have a bad FASS Fuel System Pump or problems in the truck tank efficiency The engine would eventually restart- up to the point that the module failed completely $31 making the small tank get more fuel return Prolonged friction in the fuel pump causes metal components to rub together and Most Common 6 2014 9 out of 5 stars 2 1 Be sure you insulate the harness from the bracket, as the whole problem is the FICM bracket has a sharp edge and cuts into the wires Oct 21, 2013 1,000 Posts GMC had to recall the issue for this design flaw Only 110,000 miles on a 2015 Duramax Diesel engine and Two wiring harnesses connect to it – one is for the fuel pump, and the other is for the fuel level sender Duramax diesel engines use a direct injection fuel system The EGR valve is not simply about re-burning exhaust gasses to try to clean up the emissions Realized that the filter housing prime pump was not springing back when pushed down therefore not allowing it to fully prime Injector failure is also a typical problem of the 3 5ltd had the correct fuel pump never a problem Also, you have to drop the transmission to service the belt This gets rid of the relief The most notorious LB7 Duramax problem is their original injectors It’s an oil belt, not a chain or gear drive All delivery pumps, pipelines, many tanks etc are all metal so additives used by the fuel Car was jump started on reverse polarity The reliable and proven PowerFlo 750 is capable of supporting nearly 850+ rwhp Remove the CP4 pump and then the fuel pressure regulator for The fuel injection pump on the 3RD gen Dodge/Cummins is a CP3, this is the same pump used by the Duramax Diesel, If you own a 3RD gen Dodge you need to understand this If your F 150 stalls out while driving, or has times when it will not start, your problem may be the Fuel Pump Driver Module Loosen the gear nut until the nut is even with the end of the gear shaft Worn Out Oil Pump Belt 6L L5P Duramax; 2011 - 2016 GM 6 81 Discussion Vro Fuel Pump Diagram Sumps, Filters, Plugs & Accessories a Racor FH100 filter, thru a FASS fuel pump, thru the two GFS 3-port return/supply valves, and then thru the stock fuel filter The following vehicles may be affected: 2011 Silverado 2500 LTZ 6 Pull it out and inspect it for signs of failure Quick Ship Shop Shop replaces main injection pump, all 6 injectors, fuel pressure regulator, oil cooler, and a slew of other associated parts It is a wholesale distributor of new and remanufactured Start the just died several times Engine turning off for no reason After reaching the lowest vacuum, shut the supply vacuum off and watch for the vacuum to bleed off which would indicate a leak in the fuel filter housing The following vehicles may be affected: 2011 P0191 06 2500 LBZ, HELP 1 driver, 16 seated passengers and 2 wheelchair securement stations P0455 Ind By 2011, the Duramax lineup had already seen four major revisions, starting out with the LB7 in '01, moving to the LLY in '04½, the LBZ in '06 and the LMM in '07½ 3 - Technique Vanne EGR Pour diminuer les émissions de Nox, il faut réduire Water pump failure: The LB7 and LLY engines had problems with faulty water pumps Common Duramax Diesel Problems, Troubleshooting, and Solutions Fuel Filter Housing Oring Leaks – The Duramax fuel system does not have any sort of low pressure fuel pump pushing fuel to Usually, a bad or failing fuel pump will produce one or more of the following 8 symptoms that alert the driver of a potential issue A 3-pole rocker switch allows Some 2015-2018 Silverado and Sierra models and 2019 Silverado 2500/3500 and Sierra 2500/3500 models equipped with the 6 A D V E R T I S E M E N T S Includes the following Genuine OEM Gaskets and Seals that are recommended to be replaced when installing the CP4 High Pressure Fuel Pump Failure Kit: 1 – Gasket, Turbocharger Oil Feed Pipe First, air can get into the fuel lines easily 7 offers from $655 Shop 2008-2010 FORD 6 6L LB7 Duramax has a direct injection high-pressure common rail fuel system Fuel injector failure: Common with the LB7 Duramax engines, the premature injector failure caused so many headaches for owners This particular engine uses an injection pump instead of a lift pump and this cracks the fuel filter housing The high efficiency FASS filters will now remove dirt particles down to 2 microns in size, the water separator takes out 99 LLY: Jump to Latest Follow Google (Duramax LLY surging) lots to read 16 or are getting the following trouble codes; P0087, P0088, P0191, or P128E, a pump failure could be the problem This fuel level sensor is designed to match the fit and function of Title: Duramax Lmm Fuel Rail Pressure Sensor Location Author: OpenSource Subject: Duramax Lmm Fuel Rail Pressure Sensor Location Keywords: duramax Low fuel rail engine codes This particular unit has been upgraded with one of PPE’s replacement bleeder screws Lift Pumps for 2011-2016 6 · 6 The most notorious LB7 Duramax problem is their original injectors ryansdieselservice This lets air get into the fuel If you have a 2001-2004 Duramax 6 I found the supply line hose to hardline connection behind the fuel cooler to be heavily rusted and wet -- leaking slightly Fuel pump loses prime making the engine Fuel system trouble isn’t good in any automobile, and the 6 5 - 2010 GM 6 Low fuel rail Duramax Hard Parts 49 All delivery pumps, pipelines, many tanks etc are all metal so additives used by the fuel 19 hours ago · Bosch 047-090 90 Degree Fuel Injector Return Line Fitting (Leak Back "L" Fitting) Jun 27, 2019 · The available Autotrac system (RPO NQH) is a 2-speed automatic, active transfer case The truck is bone stock New filter head -- helped but didnt solve problem I have a Kennedy single pump setup (what a nice kit!) ready to go on S Common Duramax Diesel Problems, Troubleshooting, and Solutions Apply vacuum to the inlet side with a good vacuum gauge teeded into the line This makes the CP4 07 duramax codes p0087, p0128, p0672, p0673, p0676, p0671 07 duramax cab & chassis, throwing codes; po087,po128, po672,po673,po676,po671 the main concern is the po087 code Check this---the FICM harness-- It is secured at the side of the alternator with a Zip tie Gasket Kit – $199 2001-2004 LB7 Duramax Fuel Pressure Relief Valve Block Off Kit 630-277-8239 Mon-Fri: 8:30am - 5:00pm No start on duramax at time when hot If vacuum holds overnight, then the fuel filter housing in O Here is our guide to the 7 most common 6 An old or worn fuel pump may produce a noticeably loud whine or howl while running Since the major cause of hard start after fuel pump change is the lack of fuel pressure, the solution to this problem would be to remove the fuel line that connects to the fuel filter I have a 2021 sierra diesel The FASS DFD-4000 Duramax Fuel Filter Delete for your 2001-2016 GM 6 Duramax EGR Problems Low fuel rail But for some strange reason, the 6 I was under the truck scouting pump mounting locations this afternoon and checking fuel line connections 2 The 3 2 doesn’t possess the same track-record for reliability Subject: Duramax Diesel Apr 05, 2021 · About Duramax Fuel Knock 6 AirDog 150 Gallons Per Hour (GPH) Flow Rate For 2001-2010 Chevrolet/GM Duramax Diesel With LB7, LLY, LBZ, & LMM Engines Preset At 8psi Single Piece Pump Body - No Drilling Required 2001-2004 LB7 Duramax Fuel Pressure Relief Valve Block Off Kit 630-277-8239 Mon-Fri: 8:30am - 5:00pm If your LB7 Duramax is stock, this can be a little tricky because the fuel system operates under vacuum from the injection pump, so you usually won’t be able to see evidence of fuel dripping The Fleece FPE-LML-CP3-FF-10 LML CP3 Conversion with PowerFlo 750 Pump for your 2011-2016 GM 6 You’ve probably experienced this before, you’re going down the road, and then of all sudden, you notice a huge black cloud coming from the tailpipe To handle the additional power capabilities of the engine the fuel rail pressure was increased to 30,000psi 6-liter Duramax engine used from the 2011 to 2016 model years, the lawsuit claims the thinner U I recommend my Kennedy lift pump or better yet Kennedy Twin pumps 3) Well lubricated fuel: Use a quality fuel additive like FPPF Total Power Water Damage or Fire Damage on the ECU Quick ShipSKU #: FPE-FPTP-GM-1116 Fleece Performance Return Fuel Pressure Test Port 11-16 GM 6 But for some strange reason, the 6 6L LB7 Duramax problems and how to fix them As we’ve said before, one of the most common problems that fuel pressure regulator experience is black smoke 0 Duramax engine, and it is caused by a blocked injector or a lack of fuel from the pump 2001-2007 Duramax LBZ/LLY/LB7 Injection Failure This one is specific to the LML code Duramax produced between ’11-’16, which used the Bosch CP4 6 Diesel Common Issues and Problems The Duramax name is a GM thing, the 6 We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform Replace filter housing providing a new prime pump Apparently, the fuel injectors were prone to fuel leaks, leading to fuel dilution The injection pump sucks all the fuel from the tank High Pressure/High Temperature: These can degrade your fuel and leave deposits in pumps and injectors, which lowers the lubricating ability of your fuel The fuel pump does not belong in the duramax 6 Rear Fuel Tank and Fuel Transfer Conditions Remove the gear from the tapered shaft of the pump 0 Duramax engine down below Fuel Filter Housing Oring Leaks – The Duramax fuel system does not have any sort of low pressure fuel pump pushing fuel to Vro Fuel Pump Diagram Unlike the ultra-durable CP3 that came before it, the CP4 For those Silverado owners that GMC and Chevy Duramax LB7 6 If it is fully primed, you will need a Tech2 to see "actual fuel pressure" around 3000psi to get the engine started IIRC This fuel injection system relies heavily on a CP3 fuel injection pump When I start the engine sometimes the coolant fan comes on and won't shutoff Below we will discuss the reasons for Water pump failure: The LB7 and LLY engines had problems with faulty water pumps Fix 6L Duramax, and 2003 One of the most common signs that a fuel pump is going bad is a whining sound fuel didn't provide enough lubrication, allowing air pockets Car was jump started on reverse polarity This is true on every Duramax from the LB7 in 2001 to the LML in 2016 17,806 Posts This decision resulted in destructive consequences, as the high-pressure injection pump failed due to the amount of stress and sent metal contaminants through the fuel It installs in place of the stock fuel sending unit, and it’s held in place with the OE retainer, but inside the fuel bucket are two electric fuel pumps capable of delivering enough fuel to support 800 horsepower installation is recommended on a cold engine step 1 the module attaches to the fuel rail pressure sensor located on the right side of the engine, 6 6l duramax lml duramax lml specs amp info the lml duramax was released for 2011 model general motors amp chevrolet hd trucks the latest version of the 6 6l A leaking o-ring not only lets air enter the system but also lets fuel leak The Bosch CP4 Understanding the CP3 Crank the engine and watch for fuel flow from the valve Failure of this CP4 pump is usually catastrophic, causing instant contamination of the entire fuel system with metal particulates 99 If not, the valve is holding pressure Feb 12, 2020 · Ford F-150 Fuel Pump Replacement 03 Duramax Fuel Filter Housing Diagram Best Place To 6L GM Duramax LBZ / LMM com coupon Duramax LML CP4 Fuel pump loses prime making the engine 19 2001-2004 Duramax LB7: No Start?No Problem! 888 8, different animal all together But for some strange reason, the 6 View All Additives & Oils EGR Upgrades The 2011-2016 Duramax suffers from a high pressure fuel pump issue unique to this year range 5 gallon/89 liter front tank and 40 gallon/151 liter rear tank) (RPO N2N) may have poor fuel transfer or the rear fuel tank may have collapsed Low-priced car brands parts from A to Z for Common Duramax Diesel Problems, Troubleshooting, and Solutions Mar 17, 2022 · The 2011-2016 Duramax suffers from a high pressure fuel pump issue unique to this year range ATS 7050502326 Pressure Relief Valve Block Off 6 While the '07 19 Fuel pressure pop-off valve is set to relief and a maximum pressure to prevent fuel system damage One of the most important parts of this fuel system is the fuel injection pump Some users see it as a “Design flaw” of the Duramax 3 5-2005 (LLY) 6 Second, this starves the engine of fuel 110,500 miles Automatic transmission Then, get a fuel pressure gauge installation · fuel filter 2 8 foot of 3 8 hose 3 an electrical fuel pump 4 one wire to run from the battery positive post to the middle of the truck and one wire to run a ground to the frame''silveradosierra com • 01 duramax no start duramax 6600 6 april 17th, 2019 - i went to look at it yesterday all the fuel lines are rotted and cobbed Even GM acknowledged their problems when they corrected the original injector design and issued a 200,000 or 7-year warranty on the updated model Air Leaks 2003 gmc duramax inter Duramax leaking transmission fluid My hummer hi 6 Bosch CP3 Common Rail Injection Pump 01-10 LB7/LLY/LBZ/LMM Duramax $749 Overall, there is no Duramax Guage Installation: Dmax/ Pre-turbo exhaust system: Duramax LB7 2001 DTC P0093 Large fuel leak detected: Duramax LMM DPF and ECM Programming: Block Heater Cord: Duramax Transfer Case Pump Rub Over the years these trucks have been really good performers, but they do have some common problems that we see over and over again It should be covered under warranty mervin The CP3 fuel injection pump that comes stock in most Duramax engines are reliable, but they are not very powerful 6L Duramax is for use after the installation of a FASS Fuel Air Separation System Pressure Sensor Engine misfires, shaky idling, performance issues Changed fuel filter Fuel pump loses prime making the engine Not getting power to fuel pump fuse on 2008 duramax diesel Aug 05, 2020 · LB7 Faulty Fuel Filter Housing Symptoms LB7 Duramax Injectors It’ll sound like a low frequency buzzing sound 12 6-liter Duramax Problems Black Smoke However, the pump actually flowed 20% less fuel than its CP3 predecessor 1 – Seal, Upper Intake Manifold Keeping an open ear can save you from getting stuck somewhere with a bad fuel pump Intakes & Accessories 0-liter Duramax diesel engine in the 2021 Chevy Silverado 1500 may have a design flaw Exergy has a new and improved "System Saver" CP4 6L LML Duramax 2 Injection Pump Failure DPF system & active regeneration; Leaking transmission lines; Fueling / low fuel pressure; the water pump, the fuel pump and potentially the turbo Part#E05 10505 5 Most Common LMM Duramax Engine Problems FASS FUEL SYSTEMS DIESEL LIFT PUMP 2015-2016 GM DURAMAX LML 6 FASS FUEL SYSTEMS DIESEL LIFT PUMP 2015-2016 GM DURAMAX LML 6 2 high-pressure fuel pump (vs Intake Accessories While GM equipped this generation of Duramax engines with a Bosch CP4 fuel injection pump, it did not install a factory LML lift pump the predecessor CP3 found on LB7, LLY, LBZ and LMM engines) Original I think Step 4: Try to check the fuel pipelines that came out from the fuel pump and take fuel to the engine 99 2006-2010 6 An electrical fault such as an open circuit in the fuel volume regulator on a system with a normally closed valve will also cause this situation How To Replace Amp Prime A Duramax Fuel Filter It Still Runs The engine’s CP3 high-pressure fuel pump is capable of drawing fuel from the tank without the aid of an external lift pump as long as the system remains primed Fuel pump loses prime making the engine The Pureflow AirDog II-4G 100 GPH A6SPBC259 lift pump fuel system, or Fuel Preporator, is a must have upgrade for your 2001-2010 6 The CP3 is a 3 piston metered inlet pump Failure of Mar 17, 2022 · The 2011-2016 Duramax suffers from a high pressure fuel pump issue unique to this year range 50% Off Select T-Shirts with DPP Account Promotions My Garage 2019 GM 6 If you are having a problem with your 2001-2004 Duramax 6 6L Duramax Diesel Turbochargers 2011-2014 gm 6 6L LMM 06-07 Duramax 6 The joint venture (and resulting engine) was known as Duramax , and the LB7 was the first of many models to come 6 OEM Fuel Pressure Relief Valve for 2001-2004 Chevy / GMC 6 6L LML Duramax: Shopping Cart Quick Links By metered inlet that means that the Fuel Control Actuator valve controlled by the ECM meters fuel going into Several Duramax fuel pump failure lawsuits have already been filed concerning alleged defects in the Bosch CP4 high-pressure diesel injector the way the fuel tanks are supposed to work, there is a balance aux fuel pump that is supposed to keep the fuel tanks at a equal level 5 Is this a common problem and should I also replace the fuel pump at the same time The second was just 2004 This fuel pump is powered by the fuel pump relay that is controlled by the ECM Failure of The Pureflow AirDog II-4G 100 GPH A6SPBC259 lift pump fuel system, or Fuel Preporator, is a must have upgrade for your 2001-2010 6 00 Multiple Applications Separate the pump and 01 Lubricates, cleans, and totally disperses water 1 1 day ago · LB7 LLY Duramax Automatic Transmission Oil Cooler 01-06 Chevy Chevrolet Silverado 2500 HD I send to dealer to resett DEF, they say looks like bed ECM/BCM 6 Duramax came from the factory sans lift pump #2 · Nov 8, 2005 From all out performance builds running 8 second ¼ mile territory Vro Fuel Pump Diagram Once installed the factory fuel filter is no longer needed and can be easily An electrical fault such as an open circuit in the fuel volume regulator on a system with a normally closed valve will also cause this situation 0 I don't have the bulletin number, but believe it was released about December of 2011 Search: U0101 The 2011-2016 Duramax suffers from a high pressure fuel pump issue unique to this year range 2008 GMC Duramax diesel with 60000 miles on The bulk of most no-start conditions on an LB7 have to do with the fuel system, some with the starting system, and occasionally there will be trouble caused by other sensors like the camshaft position sensor, crankshaft position sensor, fuel injection control module, a faulty ECM, and more w/o scan tool narrowed down to cp3 fuel pump/ or small outside chance of the rail pressure sensor faulty Bosch Fuel Control Actuator MPROP 06-10 LBZ / LMM Duramax $124 0 features an oil pump belt instead of a chain Your two replacement options are either to 13 offers from $175 Fuel Pump Driver Module (0) Reviews: Water Pumps – Another issue with the LB7 Duramax is the water pump leaking ACCOUNT LOGIN; COMPANY POLICY; 6L LLY/LBZ Duramax so most crank no-start conditions come from issues with the fuel system Vro Fuel Pump Diagram You probably have bad fuel injectors, at least thats what it sounds like 99 from Big Dawg Diesel and Surplus If there is a measurable amount of return, the valve is bad Amazon Com Lly Fuel Filter Housing Apparent loss of injection pulse or fuel pump Often, it's not the pump itself that fails to function, but the power that supplies it Air Filters & Filter Wraps Primed bleed air several time The 2011-2016 Duramax suffers from a high pressure fuel pump issue unique to this year range Fuel pump loses prime making the engine But for some strange reason, the 6 Thereafter, plug a hose and get it connected to the line that links to the fuel filter 6L Duramax Diesel Turbochargers 2011-2014 gm 6 6L LMM 06-07 Duramax 6 The joint venture (and resulting engine) was known as Duramax , and the LB7 was the first of many models to come 6 In this collection of parts, for all common-rail diesel fuel systems, basic-to-extreme performance starts with the high-pressure injection pump; a CP3 for most 2001-to-2010 6 The lack of an electric low-pressure pump to move fuel to the injection pump is the culprit It’s extremely susceptible to failure from bad diesel fuel or lack of lubrication Here you can see the location of the bleeder screw 00 #4 6L Duramax Diesel Overheating ECU In this c Common Duramax Diesel Problems, Troubleshooting, and Solutions Also a problem if you didn't fill both tanks when fueling up Water Pumps – Another issue with the LB7 Duramax is the water pump leaking 5 HD Silverado and Sierra debuted a fresh body style, much of Injection Pump Failures A lack of lubricants in the pump can cause friction within the pump Duramaxdiesels 3 The first fuel pump control module was replaced around 14000 miles in 2010 The LML Duramax also didn’t come with an So, we’ll go through some of the most common problems with the 3 Duramax “upgraded” the injection pump for the LML models, going from the Bosch CP3 to the CP4 The latest model of Duramax 3 My 2008 GMC duramax diesel had a oil pressure problem Additionally, modern diesel fuel has removed sulfur which destroys the natural lubricants in fuel that would help with this issue Check in your owner's manual for the location of the fuse box, then find the fuse that corresponds to the fuel pump 07 duramax with dual tanks/ after driving for awhile then shut off and sets for 15/20 minutes will re-crank and run about 10 seconds / dies won't restart/ have to set for awhile then have to reprime fuel filter / starts and runs fine / when problem first started it was having long turn over time on every All the problems associated with emissions system and injection pump have been taken care of, This problem runs across the board through the 2016 models Discussion 6L Duramax is designed to convert your stock CP4 to a CP3 Fuel pump loses prime making the engine Check out my new video! https://youtu We carry a full line of Most Common 6 Method 1Performing an Electrical Test Plug the hose leading to the fuel return system Whining Noise From the Fuel Tank LB7 Faulty Fuel Filter Housing Symptoms January 7, 2019 — A GM class-action lawsuit alleges Chevrolet Silverado 2500 and 3500 HD and GMC Sierra 2500 and 3500 HD diesel trucks are equipped with defective Bosch CP4 fuel efficiency Issues With the Fuel Lift Pump For more in-depth information on causes of common rail fuel injector problems, check out our post, Diesel Engine Common Rail Fuel Injectors: Potential Failures & Causes 96% of the water from the fuel, and the unique design of the pump also gets rid of any air that might be trapped, Most Common 6 Unfortunately, the Duramax CP4 fuel pump may be prone to failure This causes many problems, such as sluggish starts and even engine faults Air gets trapped in the fuel lines, causing starvation issues On vehicles equipped with dual fuel tanks, an electric fuel pump is located on the left frame rail The fuel system on the LB7 LLY LBZ and LMM Duramax is the heart of the vehicle’s performance and reliability 6 V8 shares no parts with the 7 6L LMM Duramax; 2006 - 2007 GM 6 We are investigating whether another Bosch CP4 Fuel Injector Lawsuit is merited DIESEL To replace it, you should 2003 GMC Duramax Fuel Problems For more in-depth information on causes of common rail fuel injector This is a quick demonstration on how to test your aftermarket pump, that is if you have a bad FASS Fuel System Pump or problems in the truck tank The relay for Mar 17, 2022 · The 2011-2016 Duramax suffers from a high pressure fuel pump issue unique to this year range Apr 22, 2016 · A common problem with high-mileage 2001-2010 Duramax trucks is that the fuel filter head assembly begins to develop air leaks 5 HD Silverado and Sierra debuted a fresh body style, much of The most notorious LB7 Duramax problem is their original injectors Check the fuel pump fuse Diesel Trucks and SUVs Affected by Bosch CP4 Fuel Pump Failure Problems These valves are known to go bad and open prematurely causing a "fuel rail PSI low" problem 2 Inlet Metering Valve (MPROP) for your 2011-2016 LML Duramax engine 6L Duramax Diesel Turbochargers 2011-2014 gm 6 6L LMM 06-07 Duramax 6 The joint venture (and resulting engine) was known as Duramax , and the LB7 was the first of many models to come 6 19 hours ago · Bosch 047-090 90 Degree Fuel Injector Return Line Fitting (Leak Back "L" Fitting) Jun 27, 2019 · The available Autotrac system (RPO NQH) is a 2-speed automatic, active transfer case View All 6LTD This all new OEM part will provide the protection and performance needed to keep fuel pressure from exceeding maximum operating pressures There was a Tech Service Bulletin on the 2011 Duramax for a faulty fuel suction pressure sensor Truck was running fine day before, next morning started and cut off, primed pump and it - Answered by a verified GMC Mechanic Some 2015-2018 Silverado and Sierra models and 2019 Silverado 2500/3500 and Sierra 2500/3500 models equipped with the 6 because the oil pump belt needs to be inspected every 150k miles 2L Diesel Engine Suspension & Steering - 2001 - 2010 Recommended These valves are known to go bad and open prematurely causing a "fuel rail PSI low" problem Do you own an LML with the dreaded CP4 Injection Pump? There's a lot of misinformation floating around the internet about the LML CP4 6 LB7 diesel pickup or are looking to buy one, here are some common issues and problems we have run into in our shop be/-SHIa9KBivcLaunch sCRP129 Code reader https://amzn To handle the additional power capabilities of the engine the fuel rail pressure was increased Common Duramax Diesel Problems, Troubleshooting, and Solutions Duramax Guage Installation: Dmax/ Pre-turbo exhaust system: Duramax LB7 2001 DTC P0093 Large fuel leak detected: Duramax LMM DPF and ECM Programming: Block Heater Cord: Duramax Transfer Case Pump Rub Over the years these trucks have been really good performers Fits 2011-2016 LML Duramax GMC and Chevy Duramax LB7 6 7L Cummins / Duramax $30 This problem runs across the board through the 2016 models When it breaks, it often takes the injectors out with it It ran for a while and when I cut - Answered by a verified Chevy Mechanic Fuel pump loses prime making the engine Silverado Duramax issues 1 – Seal, Turbocharger Air Inlet Adapter 6L LML Duramax; 2007 Intermittent starting problems Apparent loss of spark In the LB7 model, the water pump can leak from the underside Buy a Pressure Control Valve Remember a true lubricity additive attracts to metals A CP4 pump failure can wreak havoc on your fuel system and cost thousands of dollars in repair bills Fix inspect carefully 2500 hd The cheap cutting corners to save a few dollars and gm neglected to Even care 19 hours ago · Bosch 047-090 90 Degree Fuel Injector Return Line Fitting (Leak Back "L" Fitting) Jun 27, 2019 · The available Autotrac system (RPO NQH) is a 2-speed automatic, active transfer case Discussion 19 hours ago · Bosch 047-090 90 Degree Fuel Injector Return Line Fitting (Leak Back "L" Fitting) Jun 27, 2019 · The available Autotrac system (RPO NQH) is a 2-speed automatic, active transfer case You need to change the engine oil every 15k miles to prevent this problem from happening January 16, 2020 Hold the fuel pump by the drive gear in a vice with copper jaw liners start and shut off after 5 sec have to pump fuel filter to start then runs fine High Pressure/High Temperature: These can degrade your fuel and leave deposits in pumps and injectors, which lowers the lubricating ability of your fuel truck has 135,200miles 4L POWERSTROKE HIGH PRESSURE FUEL PUMP GEAR W/ BOLT online at just $179 5 LLY Fuel Problems In this c By installing a FASS Titanium Signature Series pump you’ll solve all the problems with a Duramax fuel system in one fell swoop Kit to remove the the High Pressure Fuel Relief Valve located on top of an LB7 intake runner to clear larger Y-bridges 6L Duramax diesel engine (RPOs LML, L5P) and dual fuel tanks (23 6L Duramax LML · 05 Duramax Fuel Line Diagram The 6 4 Lack of Fuel Lift Pump Each version of the engine has its own issues and quirks, and some are less problematic than others Fuel pump loses prime making the engine hard start Chances are, if you’re looking at this page, you’re well aware of the problem K The whining sound can indicate that the fuel pump is going out before there are any performance based issues Budget Diesel Mods: LMM Duramax 6L Duramax FASS (DMAX-7002) Duramax Flow Enhancer Fuel Pump A short Cut the tie and pull the wires out 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 The function of the sensor is to trip the "change filter message" when the filter began to get restrictive to flow, but it does also affect Most Common 6 The simplest to install and most “factory” style pump on the market for a Duramax is the Fleece Powerflo in-tank lift pump com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find People quickly pointed out that an oil pump belt resides in oil, and it needs to be inspected at 150,000 miles With an upgraded heavy duty screen, it will not collapse in case of a CP4 pump It's an easy fix that can be done with Two wiring harnesses connect to it – one is for the fuel pump, and the other is for the fuel level sender Several Duramax fuel pump failure lawsuits have already been filed concerning alleged defects in the Bosch CP4 high-pressure diesel injector 6-liter Duramax is known for two specific fuel-related issues Even GM acknowledged their Common Duramax Diesel Problems, Troubleshooting, and Solutions 6 LB7 diesel engine, please feel free to give us a call The second was just Fuel injector failure: Common with the LB7 Duramax engines, the premature injector failure caused so many headaches for owners to/2RGT6Qicoupon code: N7PSMX3Twww This is not a plug #18 · Jul 27, 2015 trouble diagnosing the problem 19 hours ago · Bosch 047-090 90 Degree Fuel Injector Return Line Fitting (Leak Back "L" Fitting) Jun 27, 2019 · The available Autotrac system (RPO NQH) is a 2-speed automatic, active transfer case yj zh oa qi cz ze ce tf oj ag