Thread: Ideas on Misfire

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  1. #1 Ideas on Misfire 
    GTX Level Member tayl5645's Avatar
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    Ok guys its been getting kinda bad lately. Usually get misfires when I start my car between 2-6 (aerforce readings). Then periodically throughout a drive misfires will pop up usually no more then 2 at a time. I have gotten the code for random misfires already and from what the aeroforce reads it is mainly cylinder 3 and 4. I did at one point have a cat eff light (still needs fixed) however, Im not bogging under two heavy of accels. Usually the misfires creep up after I get out of the throttle which again would make me believe its not load related. All those techies out there that have ideas that I can check out. Plugs and wires changed about 200 miles ago in an attempt to fix the problems
    2005 GTP Grey

    Custom built Open cone intake, 15% tints all the way around, 7" touchscreen DVD player
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  2. #2 Re: Ideas on Misfire 
    GXP Level Member JoRoW99's Avatar
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    What plugs/wires are you using and what did you gap them to? are you positive the wires are on the correct cylinders?
    '01 GT - Top swapped. ported SC/Heads/TB, SD headers, open cone, HPTuners, 3.4 MPS, 60#'s, E85.______________________SMGPFC #99_______________________
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  3. #3 Re: Ideas on Misfire 
    GTX Level Member tayl5645's Avatar
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    Issues were the same before Tune up so I would rule out anything to do with the plugs and wires.
    2005 GTP Grey

    Custom built Open cone intake, 15% tints all the way around, 7" touchscreen DVD player
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  4. #4 Re: Ideas on Misfire 
    GXP Level Member JoRoW99's Avatar
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    Just trying to get some info.
    '01 GT - Top swapped. ported SC/Heads/TB, SD headers, open cone, HPTuners, 3.4 MPS, 60#'s, E85.______________________SMGPFC #99_______________________
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  5. #5 Re: Ideas on Misfire 
    GTX Level Member tayl5645's Avatar
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    Not sure on plugs and wires installed by my friends dad (my free mechanic/ owns his own shop) my guess is they would be stock replacements nothing upgraded gapped to specs.
    2005 GTP Grey

    Custom built Open cone intake, 15% tints all the way around, 7" touchscreen DVD player
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  6. #6 Re: Ideas on Misfire 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    swap 2 coils around and see if it follows

    SMGPFC Member #1
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