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running rough

  1. 01-04.5 LB7 Duramax Powertrain
    I have an 02 Duramax which is completely stock. It recently started running rough but only for a few seconds each time I let off the accelerator just about the time it gets to an idle. Then it settles down and idles just fine. When revving up or at highway speed, it is just fine. It also...
  2. 04.5-05 LLY Duramax Powertrain
    I have a 2005, that idles rough at times. It is more of a sudden surge while I am at a stop. I was told by a trusted GM mechanic that this is due to a bad temp sensor, can anyone else confirm or have the same problem?
  3. 911 Problems Forum
    Alright, so Im in MO for a school through the army and decided to drive here. So I was driving to my dads hotel to drop him off when all of a sudden, the truck just falls on its face and stops responding when i push the excellerator. So i pull up the codes on my edge programmer, and come up with...
  4. 911 Problems Forum
    my 01 spudders once in a while seems like its getting worse not fuel filter, any idea's?
  5. 911 Problems Forum
    I have a 2005 duramax and fri It started right up but ran rough at lower rpm at higher rpm no problem. Truck sat all weekend went to start Sunday night and it took a few times to turn over. Sarted but ran rough at lower rpm. Any suggestions
  6. 911 Problems Forum
    i have a 2002 2500 hd. I am having a problem with low oil pressure, oil blow-by (from vent tube on front passenger side of block), rough idle, & bad fuel milage. I have read other post of similar problems but i do not believe my injectors are the problem. My truck does not smoke, does not have...
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