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  1. Duramax Second Generation: 2004.5-2005 (LLY)
    Ok so I have a 2005 duramax straight piped 5 position efi live and fass fuel system. Today my truck seemed like it had no power at first then comes back when I give it more throttle. When I’m going down the interstate it seems fine but falls flat when I call on it. When in neutral it revs up...
  2. Duramax Second Generation: 2004.5-2005 (LLY)
    I bought a 2005 Lly duramax a few months ago. When I bought it there was a bad transmission in it. I swapped it out and everything seemed fine. Shortly after I swapped out the water pump and now that its back together I have little to no throttle response. I can floor it and the rpms will go up...
  3. 6.5L Diesel Engine
    I'm a complete newbie to diesels, but I bought a 1996 RV with a Chevy 6.5L 3500 engine. It started losing power, and the diagnosis is "injection pump is bad. Code is for an internal calibration problem." So the mechanic says the fix is to repace th injection pump, for $2879 in parts and $5100...
  4. 6.5L Diesel Engine
    Hello I have a 1995 6.5l 2500 I have a power loss issue that I’ve been fighting for a year now truck starts perfectly fine and sounds good. Blows some black smoke at startup then clears up. When I take it for a drive following the speed limits and driving very easy as far as acceleration there...
  5. 6.5L Diesel Engine
    I have a 1996 Chevy 3500 6.5 turbo diesel it started last week it started losing power towing car trailer at 3000 rpm started buck jumping didn't seem like it was backfiring when losing gas but acted like it was losing fuel pressure ordered resister for pmd CK engine went out drove down road now...
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