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    Misfire Mystery

    Thanks for getting back to me. I have also done a compression check and it was fine. The fuel pump and fuel filter have also been replaced. There is no pulse to the #3 injector.The ICM I had checked at AutoZone. They tested it four times. It passed every time. I also took a spare injector...
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    Misfire Mystery

  3. C

    GM vehicles. Quad driver fault; is the computer really the cure?

    Good info. Will definitely look into it.
  4. C

    Misfire Mystery

    Got up a couple of months ago to go to work and when my car started it had a miss in the engine. I thought that it might be a spark plug or plug wire. I changed them out with new ones and still had the same problem. I then started looking at the fuel injectors, changed them out as well as the...