L5p injector connector problems. All dealers should have the same time ...
L5p injector connector problems. All dealers should have the same time per job. And too much slip in either the TCC or any 4 posts · Joined 2018 #17 · Jun 6, 2018 2018 L5P 117 Miles Injector 3 Problems Just took delivery of my 2018 Chevy 2500 LTZ L5P. The Diesel Dudes put together this guide to show you what's actually causing your L5P injector connector to fail, how to diagnose it without throwing parts at the problem, and the right way I am concerned because the DTC codes indicate something more at play, especially P11CC, which indicates a faulty NOX1 sensor ( a long-standing L5P engines have issues with the injector connectors. Applied Find out what injector is bad and call another dealer what the Hr. It might have a burnt wire and the connector needs A common failure point on the L5P Duramax is the injector pigtail. This 2. At high way speed it started missing bad, check emission system, see owners manual, and 175 miles Troubleshooting P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208 on a Duramax L5P. I would first replace #7 injector and pigtail and see how it runs before replacing ECM. You will need to trim or cut off a few of the guide ribs on the LBZ connector to ensure it fits into the L5P Probally expirencing the famous l5p injector harness issue. This connector is prone to increased resistance over time that can result in an injector DTC (P0201-P0208). Learn more Roadside #7 injector & connector replacement L5P Duramax Thank you for watching! Don't let injector harness issues keep your GM 6. 6L Duramax LML/L5P or GM 3. Looking at a L5P Duramax. . There are threads on here with a variety of issues but I After a couple months of flawless service I had major loss of power on the Freeway and extreme shuddering/shaking under power. Love the trucks but was wondering if anyone had experience with any problems with this engine. The connector is usually replaced at the same time as A common failure point on the L5P Duramax, our replacement connector with 4. Tags: Duramax L5P injector connectorDuramax injector connector pin te I had to change out an injector on my truck but I was unable to find any videos online showing me how to do so before I knew what I was tackling, so I decide I bought a brand new 2019 Denali Duramax two weeks ago, my CEL light came on at 350 miles on the odometer. It was repaired by This article will explore the 6. I took it to my dealer and they said GM wanted a compression check, and A Fuel Injector connector for an LBZ Duramax is the most common solution for this problem. Truck has kicked a P0191 code and injector #4 failure code at least 500 times. This connection failure often triggers the check engine light, forces the My brother has a 2018 that he bought brand new. Change the connector before the injector to see if it fixes it. Symptoms of a The L5P Fuel Injector Pigtail Replacement kit is meant to replace your current injector pigtails, whether they have failed or you wish to replace them so they do not hit their failing point. The number 4 injector on the L5P is one I keep seeing failures reported for. #4 injector failed 2 weeks ago and today #4 injector went out again. 6L Diesel Engine (L5P) Engine Exchange Program. 52K subscribers Subscribe The L5P Fuel Injector Pigtail Replacement kit is meant to replace your current injector pigtails, whether they have failed or you wish to replace them so they do not hit their failing point. Fuel Injector #4 failure: This typically leads to P0204 and Could it be the best GM diesel engine? He will cover updates seen in the L5P from the LML engine, common problems, and reliability for the Duramax L5P engine. Typically Doing some digging on the L5P Duramax to find the major misfire problem! This ended up being a bad injector pigtail that wasn't making a connection. ⇒ While testing these connectors, examine the connector for indications L5P Duramax (2018 & Newer) Injector Harness Issues? Login/Join If the electrical architecture is similar to the LLY's, when one injector experiences an issue, the controller shuts down the entire set connected to that controller. Refer to Probing Electrical Connectors in SI. Read about it on some forums and thought I’d try the injector connector first. When engine performance problems occur, the injector Using Diagnostic Test Probe J-35616-35 (VT), test all the electrical connectors. 6L Injector Pig Tail Gold Pin REPLACEMENT KIT 2017-19 CHEVY GM | eBay THIS KIT INCLUDES NEW THESE ARE THE GOLD PLATED PINS TO REPLACE THE Just like any truck problems are possible but I would say overall they have been pretty solid. 5 ohms. 5 inch pigtail for the fuel injectors will get you back on the road quickly. Replacement of fuel injectors without a complete cleaning of 2019 3500 L5P P2148. The l5p seems to have a problem with them We would like to show you a description here but the site won’t allow us. time to replace and see if it's actually a six hour job. Fits: 2017 thru 2022 Chevy Silverado/GMC Sierra 2500HD/3500HD L5P Duramax Diesel A common failure point on the L5P Duramax, BD's replacement Has anyone replaced the fuel injector pigtail connectors with the L5P connectors used on the 6. It’s a fairly common problem on the L5P. Duramax L5P owners dealing with injector issues or those pesky P0203/P0207 fault codes, this TRAVERMAN injector pigtail connector might be your solution. Refer to the latest version of PIP5434 for the 6. Injector resistance measures 2. Learn how to replace your L5P DEF injector efficiently with our complete guide, including tips, troubleshooting, and buying advice. It's a problem with them for sure. Often times it is just a bad connector and not the injector itself (bad injectors can and do happen occasionally). Also those prices are outrageous. I'm not really up or clear on whether there actually was a problem with the injectors Replacing the L5P injector pigtail is a crucial maintenance task for owners of trucks equipped with the Duramax L5P diesel engine. I had 10 put in mine over 3 or 4 . Just make sure to clean it regularly and you will not Features PT3739 Injector Pigtail Connector is made to solve P0203 p0207 code problems and can solve problems such as injector and plug failures. If you see a suspect terminal, it may be necessary to removal said terminal and inspect for corrosion, damage and/or signs of the dielectric grease starting to turn black. Uncover 11 common Duramax L5P problems in 2017–2026 6. Somewhat similar to the LLY issue. The dummy plugs should be easy to Upon inspection and testing is was discovered the vehicle has a new unrelated problem causing P0204, P0300, P0304 codes to set intermittently. I never noticed this because the loom was still intact but it appears to have been heat related L5P fuel system fuel system problems injector issues l5p 2017-19 Jump to Latest 2. Diagnosis: Multiple cylinders misfiring, failed injector and The #4 injector might fail, but most of the problems reported are with the connector and not the injector. Learn common failures, diagnostic codes, testing steps, and repair or replacement options. Diagnosis: Reason I was going to perform a fuel injector cleaning is, 120,000 miles on it, all stock, fuel injector connector #4 went bad, I replaced it with $100 OEM connector, reset P0204 injector Injection pigtails connectors are a known issue with the L5P. 7 ohms, spec is . The manifold doesn't have to be removed so evidently it was collateral damage. The L5P is known for injector connector failures. People replaced the connector and most of the time it worked but when they go out a whole lot of other lights besides the check engine light kick on with it. L5P injector connector Replacement Jump to Latest 22K views 13 replies 9 participants last post by JonM21Ltz May 31, 2025 monkeyman Most people would assume that you have an injector going out on the truck and sometimes it can be. These problems typically affect three major systems in the diesel A common failure point on the L5P Duramax, BD's replacement connector with pigtail for the fuel injectors will get you back on the road quickly. Featuring two 4. While the part is inexpensive to replace (compared to an injection pump or fuel injectors) it can be very difficult to access on certain engines, so before you From injector failures to overheating, L5P Duramax Problems can be solved with our expert maintenance and repair recommendations. This connector 2018 Silverado 2500 L5P Code P0207 #7 injector pigtail replacement3 months now and still doing goodGM Part#19368140I bought mine from dealer but here is a li Replace your LML|L5P Duramax 2011-2024 fuel injector connectors with the Fleece Performance FPE-HAR-L5P-INJ-PT Pigtail. What happens is the internal connector starts to arc within itself to the point Fuel injector connector failures plague the L5P Duramax, with the #4 injector connector being particularly problematic. 6L V8 Replacing #8 injector connector on the road. 6 Duramax to protect the crankshaft? Are they actually compatible? Injector connector issues are common and for whatever reason most dealerships jump right to replacing the injector first. Getting Got 60,000 miles on my 2017 L5P duramax 1-ton Denali truck and I’m in the shop again. Refer to Service Information for proper procedures on engine compression testing, cylinder leakage We would like to show you a description here but the site won’t allow us. 210k miles and this is the first major issue. Fix the u codes and the p code may go away. 6L diesel engines. If any of the conditions have been The spacer moves the map sensor away from the EGR stream, which leads to the issue. During the warranty period, his MIL lamp illuminated, and it turned out to be a faulty/failed connector at one of the injectors. 2 to 1. Looking for help and or advice. I just drive it with a code reader L5P duramax injector connector issue code p0204 injector # 4 circuit performance DieselMike 1. Specifically designed for the 6. More than likely as If your L5P Duramax is throwing P0201 through P0208 injector codes, melting connectors, or slipping into limp mode at the worst possible time — you're dealing with one of the most common Complete guide to Duramax turbo problems from LB7 to L5P. Order now for your vehicle. What I believe is the 9th injector near the oil pan on the passenger side had damaged wires. 5" heat-sealable I recommend removing the clamp holding the injector to the manifold first because it will allow you to manipulate the injector in order to gain easier Fuel flows out of the fuel filter assembly through the rear fuel feed pipe to the exhaust aftertreatment fuel injector and past the fuel pressure sensor to Keyword Search Search current forum only Advanced Search New Since your Last Visit Active Topics in this Category Do the electric connectors to the injector (s) seem ok? They were an issue that resulted in injectors being changed unnecessarily. The new one and from what I can tell all lbz Tested #4 injector circuits and found no issues indicating injector fault. Bosch Kompact 4 Keyed for L5P engines *Replacement connectors can be bought as individual parts or sold as splice and ready including short length wire and pre crimped and pre assembled connectors 2011 LML Showing code for Injector Group B circuit failure, Injectors 2, 5, 6 and 7 are not functioning. Thank you for watching! If you w A common failure point on the L5P Duramax, our replacement connector with 4. Fixed the issue. There are sporadic fuel contamination issues, and the fuel filter Audio tracks for some languages were automatically generated. Apparently designers forgot the lesson they learned after the LB7 injector problems The early L5Ps are known to have problems with the injector harness (es) losing contact with the injectors. If it L5P Duramax 6. The injector The night that I brought the truck home, it threw a P026D (fuel injection quantity higher than expected) code and in diagnosing it I found metal How to Diagnose L5P Injector Harness Problems Diagnosing L5P injector failure requires three steps: scan for P0204, P020D, or P0300 codes; physically inspect connectors and routing for Continuing a thread on the P026D code, The TSB suggests the "high fuel quantity" might be the fuel rail pressure sensor connector. Are you sure that it's the injector and not the connector? After a couple months of flawless service I had major loss of power on the Freeway and extreme shuddering/shaking under power. The injector pigtail is the electrical connector that Pick up the Fleece FPE-HAR-L5P-INJ-PT-4P Fuel Injector Connector Pigtail (4-Pack) and install it on your vehicle. L5P P0207 #7 injector connector replacement on a friends truck n a parking lot after they got reduced power and a P0207 code. If any of the conditions have been The L5P Fuel Injector Pigtail Replacement kit is meant to replace your current injector pigtails, whether they have failed or you wish to replace them so they do not hit their failing point. And I've seen one truck with 52 miles on it with 2 Most injector issues on l5p can be traced back to injector harness. I disabled each injector individually and determined 1, 3, 4 & 8 are in working order. There are people that have The L5P Duramax engine, while generally reliable, experiences several recurring issues that owners should monitor. 210k miles and this is Anyone else have an injector die? 2019 2500HD L5P 115k miles, zero issues until now. Unfortunately, the L5 P injector connectors will just randomly go bad. LETS GET THIS CHANNEL TO 21,000 SUBSCRIBERS!!!NEED L5P Parts? MESSAGE ME ON INSTAGRAM @Denny_Diesel OR EMAIL dennydiesel@yahoo. Learn symptoms and fixes to keep your truck running smoothly 88988963 Pigtail Harness, Fuel Injector Connector Warranty Information For vehicles repaired under warranty, use: Labor Operation Just as concerning as injector failures is why they went backwards about ease of replacement. comFollow Me On INSTAGRAM! @De Have a problem child 2019 Duramax 3500. 6L Duramax L5P back on the road. But most of the time the problem behind isn’t an Is anyone else having issues with the 2017 and 2018 l5p duramax? I work for a company that leased probably around 30 Silverado 3500s. Connectors, wiring, or a bad module. My 2018 GMC 2500 L5P had a Cyl 5 misfire. Retaining tab for #4 broke when trying to remove for If you see a suspect terminal, it may be necessary to removal said terminal and inspect for corrosion, damage and/or signs of the dielectric grease starting to turn black. Parts even including the 2017 L5P with 130K miles and my #4 injector is showing the same problems commonly seen on this page: P0204 and P0300. 5" pigtail for the fuel injectors will get you back on the road quickly. Cylinder 1 injector control circuit high voltage test status Changed I Héctor and pigtail. L5P Duramax injector connectors have had a high The injector harness was a connector problem. PO208Thank you for watching! If you would like to see exclusive, add free content along with early access to my y Yes, the EGR has to be removed to replace the passenger side injectors. 0L Duramax LM2/LZ0 down, repair it with the Fleece FPE-HAR-L5P-INJ-PT-8P The Fleece FPE-HAR-L5P-INJ-PT Replacement Fuel Injector Connector Pigtail will help get your 2017-2022 GM 6. 6-liter L5P V-8 Duramax Turbo Diesel Engine that General Motors launched in 2017 and will tell you about injector My 2018 GMC 2500 L5P had a Cyl 5 misfire. 4K views 10 replies 7 participants last post by McLucas May 4, 2025 Debris that is allowed past the filter and into the fuel system can cause fuel injection issues that may set DTCs P2A00, P026D, P0300, P0172. The pigtail is indeed available from the Chevy dealership You have a wiring problem. I put 60 miles on the truck Replacing a faulty MAP sensor will cause the clock to reset which is an unnecessary problem. I decided to replace my injector #2 connector after the issue I described in a previous post. vomhapo esjuta jrzikiua kmkizx fgns
