Thread: Grand Prix is hesitating during acceleration NO CODES

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  1. #1 Grand Prix is hesitating during acceleration NO CODES 
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    Hey everyone my 2000 gt is like hesitating during acceleration and it act like it want to die out . have no codes displayed and it have 149 miles. it also make some noise from the exhaust. please help thanks
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  2. #2 Re: Grand Prix is hesitating during acceleration NO CODES 
    Killa Bee Scottydoggs's Avatar
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    clogged cat maybe? if it feels gut less, aka you floor it and it sounds like it cant move, and feels like a slug?

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  3. #3 Re: Grand Prix is hesitating during acceleration NO CODES 
    GTX Level Member JDrach's Avatar
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    Could a lack of cat make it feel like that?
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  4. #4 Re: Grand Prix is hesitating during acceleration NO CODES 
    Killa Bee Scottydoggs's Avatar
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    not really, clogged cat is like stuffing a potato in the tail pipe, the car can't exhale.

    we all remember Beverly hills cop, bananas in the tail pipe lol same thing as a clogged cat.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  5. #5 Re: Grand Prix is hesitating during acceleration NO CODES 
    GTX Level Member nos4blood70's Avatar
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    Tap on the cat. Rattles? Bad cat.

    What about bad coils?
    -Carl
    "Penelope" - 145k Miles 2003 Bonneville SLE


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  6. #6 Re: Grand Prix is hesitating during acceleration NO CODES 
    Killa Bee Scottydoggs's Avatar
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    if it glows red in the dark its also clogged up good. after a spirited drive that is.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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