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A little problem?

This is a discussion on A little problem? within the GTO forums, part of the Vehicle Specific category; Im trying to figure this out, ever since my lt install i've had a miss at low rpms like sitting ...

  1. #1
    Member derbs's Avatar
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    IBM
    04 GTO

    A little problem?

    Im trying to figure this out, ever since my lt install i've had a miss at low rpms like sitting at a stop light or driving slow through a parking lot the car sometimes backfires!!!! So changing the plugs an wires didn't help. So what hell could this be?

  2. #2
    Member 6.0LiterImportEater's Avatar
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    Phantom Black Metallic
    2006 Pontiac GTO

    Did you get a tune?

  3. #3
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    Torrid Red
    04 GTO m6

    no SES light I would say a tune, you're making more power now so the engine needs to know precisely how to handle it. Hows it run @ WOT?

  4. #4
    Member derbs's Avatar
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    IBM
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    yes the car is tuned i was thinking it would help but nope so thats y i changed out plugs an wires

  5. #5
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    Torrid Red
    04 GTO m6

    could one of 'em, been loose?

    edit: that woulda caused an SES light. idk?

  6. #6
    Member derbs's Avatar
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    IBM
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    no ses light this is driving me crazy lol

  7. #7
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    Black
    2004 Monaro

    Have you checked for leaks in the exhaust/headers ?????

  8. #8
    Member derbs's Avatar
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    IBM
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    I've found the problem it was a bad coil thanks to everyone that posted.

  9. #9
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    Torrid Red
    04 GTO m6

    Howd you find it? Multimeter, or took it in for a diag?

    wouldnt a coil throw a code? or cause a misfire at least

  10. #10
    Member derbs's Avatar
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    IBM
    04 GTO

    we hooked it up to a scanner it was showing that #5 had a miss since i changed plugs an wires I replaced the coil and everything was fine.

  11. #11
    Member jsmith564`'s Avatar
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    yellow
    2004 gto

    did you beat the coils with the headers?? lol

  12. #12
    Member derbs's Avatar
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    IBM
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    lol I had someone put the headers on for me and when I was talking to him he said he took the coils off I was thinking that he maybe dropped em of someone stepped one them in the shop. funny things happen

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