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rough idle
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  1. Duramax Second Generation: 2004.5-2005 (LLY)
    So I just picked up an lly a few months ago and have been slowly upgrading parts and getting it the way I want it. It's got 190k on it and just had the head gaskets done before I bought it. It was smoking quite a bit when I bought it so I checked injector rates and found that I had 2 out of spec...
  2. 6.5L Diesel Engine
    Hi everyone i just recently bought a 94 6.5. The truck runs beautiful and starts right up. But this morning I started it up cold and it started making a popping noise out of the exhaust. When in the cab it sounds rough and it jerks. After driving it and it warms up completely it stops. The only...
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