Thread: HELP!!! cant figure out whats wrong

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  1. #1 HELP!!! cant figure out whats wrong 
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    Ok my 02 grand prix gtp has been acting weird idles rough sometimes and even dies at idle sometimes. any time I hit the gas hard it sputters and wont go anywhere!! I did notice the T connector under my supercharger that connects vacuum lines was off and missing I replaced that and got that fixed thinking that was the problem but its still doing it! it is throwing 2 codes a misfire code and a running rich in bank 1 code! how can I figure out what this is without buying a whole lot of things that don't fix it lol
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  2. #2 Re: HELP!!! cant figure out whats wrong 
    Killa Bee Scottydoggs's Avatar
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    sounds like it needs a tune up real bad, or the cats clogged up.

    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: HELP!!! cant figure out whats wrong 
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    No cat on it at the moment


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  4. #4 Re: HELP!!! cant figure out whats wrong 
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    Bad mass air flow sensor... Replace only with a new acdelco maf
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