mons 6.6L Duramax Problems & Concerns It can also be relatively difficult to prime the fuel system once air has been introduced into the system, such as when the fuel filter is changed. The 2001 to 2004 LB7 fuel filter housings seem to be the most prone to problems. Water Pump Failure. Water pump failures for Duramax engine are somewhat common. Duramax 6.6l Turbo Diesel Repair Experts Point out mon ... Injectors for 6.6l Duramax Diesel are Known to Suffer from These Issues The most common issues 6.6l Duramax fuel injector repair experts often point out is air getting stuck in the fuel lines and fuel starvation.The design of the filter housing is the cause, as Duramax does not utilize a pump. DIY Duramax Fuel Fix: Rebuilding A Leaky Fuel Filter Head A common problem with high mileage 2001 2010 Duramax trucks is that the fuel filter head assembly begins to develop air leaks. 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. mon Issues and Problems We See In The Shop With The LB7 ... If you have a 2001 2004 Duramax 6.6 LB7 diesel pickup or are looking to buy one, here are some common issues and problems we have run into in our shop. Over the years these trucks have been really good performers, but they do have some common problems that we see over and over again. LB7 6.6 Duramax mon Issues, Problems, and Fixes LB7 6.6 Duramax mon Issues, Problems, and Fixes. GMC and Chevy Duramax LB7 6.6 Diesel mon Issues and Problems. If you have a 2001 2004 Duramax 6.6 LB7 diesel pickup or are looking to buy one, here are some common issues and problems we have run into in our shop. ... Fuel Filter Housing Oring Leaks ... Problems With Duramax | It Still Runs The Duramax has long been susceptible to fuel starvation failures because the engine doesn't use a lift pump to feed the primary pressure pump. It's common, particularly on 2001 to 2007 LB7 models, for the filter housing before the filter to develop cracks and leaks in the O ring, allowing air to enter the system.

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i have a 2008 gmc 3500hd duramax 6 6 and an 0087 code with

i have a 2008 gmc 3500hd duramax 6 6 and an 0087 code with

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