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Thread: 108% on Cylinder balance

  1. #1

    108% on Cylinder balance

    When I do the Cylinder Balance test on my Grand Prix i constantly get 104 - 108% on the #1 Cylinder. The rest of the 5 cylinders are all around 98%. Why is the one cylinder reading so high.

  2. #2
    Advanced Tuner
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    Im having basically the same issue on a 98 GTP but show no misfires, Im kinda lost at this point

  3. #3
    HP Tuners Support
    (foff667)
    Bill@HPTuners's Avatar
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    What version of software are you guys running? If you have the vehicle to test theres a few things we can try, please contact me at support at hptuners.com with a link to this thread.

    -Bill
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"

  4. #4
    Advanced Tuner
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    Sep 2006
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    I wont have my laptop back until Friday, so Im not sure what version of the SW I have, but I believe it is the 2.1.18

  5. #5
    Advanced Tuner
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    I checked and I was running 2.1.15, Im going to try it with the 2.1.19 BETA and see what happens, will post a screen shot later