The owner of this GM Duramax was headed to Montana on vacation with his family and camper trailer in tow. After stopping for lunch, the owner was dismayed. Excessive leakage from the injectors usually results in a starting issue, which could occur hot or cold, but usually occurs hot because the fuel is thinner when. General Motors has extended the Duramax fuel injector warranty coverage for owners of all , & model-year Chevrolet and GMC Duramax Duramax LB7 engine was way ahead of its time. Still, it has 5 common problems: injector failure, head gasket failure, water pump failure, fuel filter h. Check Fuel Pressure regulator on CP3 or CP4 for debris, CP4 failure can be easily detected with metal shavings on the regulator screen. Failure of this sort. There is a GM service bulliten that was issued that says they have extended the warranty on teh injectors to , miles and 10 years so the local dealer. Since the injectors are under the valve cover in the engine, lubricating oil fuel dilution occurred and often ended in a catastrophic engine failure. A class.
The PowerPull for GM Duramax helps to remove stubborn and stuck fuel injectors faster than ever before, with no need to bolt the head. The PowerPull for GM. I would call GM ASAP, I received a recall notice from GM about possible problems with the injectors several months ago. The letter I received said they would. Brand New! Bosch LB7 Injectors (No Core Charge) Full Set of 8. Fits Chevy/GMC / HD Duramax LB7. Part#
5L Diesel Engine Duramax First Generation: (LB7) Duramax Second Injector problems on the LLY duramax engine can be very intermittent. if you. A slight knock can start occurring due to injector problems, often after a contaminated fuel problem. Surge or Lope at idle. 1. Fuel pressure regulator: Map. Once that is committed, getting the injectors is the next problem (info that I found out first hand and keep hearing it). Then make sure the mechanic has some.
Symptoms of Failing Duramax Fuel Injectors · Excessive Smoke · Power Loss · Rough Idle · Fuel in Oil · High Return Fuel · No Start. The original injectors that came in these trucks had all sorts of issues with cracking. The symptoms are constant smoke at idle and gaining fuel in the oil. If one of them did experience an injector failure, there was a very obvious and atypical fuel contamination issue to blame. Armed with this empirical evidence.
Other suggestions: ; How To Check Bad LB7 Duramax Fuel Injectors ; Duramax Balance Rates Bad Fuel Injectors ; Common Problem with LLY Duramax - *FIXED*. mayer, I've never had much luck with cleaning injectors. I would suggest to either rebuild I had a similar issue with my Duramax. So if you are in the need for a stock or modified CP3/CP4 fuel injection pump, diesel fuel injectors, diesel fuel pressure regulators, fuel rails, fuel rail. Its best to address the issues as soon as they begin to appear to avoid damage to the vehicle. Symptoms of a failing fuel injector include: Starting issues.
I read a bit on a diesel forum that these bosch injectors are known to go out. The problem is some people put them in and have problems in. LB7 Duramax engines are very prone to leaking on the injector return line underneath the valve cover, causing the crankcase to fill with diesel fuel. Have you come across a situation where the injector will not plug into the wiring harness? We've seen issues where GM isn't providing consistent engine. Had this happen when someone had a cheapo fuel filter on and dirt when thru the system and got stuck inside the injector. Just plan on replacing the injectors. A very common problem was injector failure. The engine incorporated the Bosch common rail fuel system, which was composed of the high-pressure fuel pump, high-. If the information is wrong, the injector will misfire. You can solve this problem by repairing the logic side of your Duramax FICM. If the problem is beyond. What We Like Most About Technicians is Their Work Ethic. Technicians are problem solvers who aren't afraid of sweat on their brow and grease on their hands. P I replaced the the injector pump, the regulator, the lines. The codes pop up on a Duramax when there's low fuel rail pressure: P or P 6. General Motors has extended the Duramax fuel injector warranty coverage for owners of all , & model-year Chevrolet and GMC Duramax This injector problem only lasted between the years of LB7 trucks and has since been remedied by new and improved fuel injectors. Copyright 2014-2023