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Stumble??

This is a discussion on Stumble?? within the External Engine forums, part of the LSx Technical Help Section category; Hey i got a question. when i take off, when i get to 2200-2500 RPM, my car seems like i ...

  1. #1
    Junior Member griftymcgrift's Avatar
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    medium blue metallic
    99 Trans Am

    Stumble??

    Hey i got a question. when i take off, when i get to 2200-2500 RPM, my car seems like i just lifted my foot off the gas for maybe a second, then power is resored and it pulls good, then, after the gear switch, when i reach 22-25 hundred RPM again it does it again. this doesnt happen at WOT or if im takin it easy, just when im kinda gunnin it from the go. i have a 99 T/A auto completely stock. i dont know if its a tranny problem, or an electrical or what, but its gettin on my nerves. but yeah it just feels like all power was lost. the RPMs are about the same, then power comes back. kinda bobs my head forward....

    Thanks

  2. #2
    Junior Member griftymcgrift's Avatar
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    medium blue metallic
    99 Trans Am

    Anything? anybody?

  3. #3
    MSZ28
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    PEWTER
    1999 Z28

    I have noticed the same problem lately. Just like you said feels like my foot slipped off pedal for just a second. would like some opinions on what to check first!!
    '99 auto, 75,000 miles

  4. #4
    Junior Member griftymcgrift's Avatar
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    medium blue metallic
    99 Trans Am

    this is what i think

    it may be a MAF, TPS, or trans problem, id think a trans prob would make some kind of noise, but im not too knowledgable there.

  5. #5
    Member 180ls1's Avatar
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    1998 Firebird Formula WS6

    maf and tps are good ideas if it is in the same spot in every gear

  6. #6
    Junior Member griftymcgrift's Avatar
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    medium blue metallic
    99 Trans Am

    update

    my RPMs do go up when its "slipping" which is what im afraid it is, a trans slip

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