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  1. N

    Misfire on 2,4,6,8 Cylinders only

    I can sometimes feel it at idle only, usually after truck is warm. When I feel it is missing I will watch the misfire counts on my scan tool. It is pretty frustrating.
  2. N

    Misfire on 2,4,6,8 Cylinders only

    I installed a Edge EVO HT programmer on my 2002 Tahoe about a month ago and ever since then I have been getting misfire counts on all even cylinders. I backed the programmer back of the truck and still getting the same thing. I have replaced plugs and wires. Anyone have some ideas? I have been...

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