Thread: Major Problems - Need help, please

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  1. #1 Major Problems - Need help, please 
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    So I was just given an 03 Grand prix GT. Having some issues. Very poor gas mileage, won't go bast 4100 RPM, no power, no acceleration, and making a noise that seems like exhaust near the rear of the motor. Think it might be the cat but not sure. Any ideas?
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  2. #2 Re: Major Problems - Need help, please 
    PittState Automotive Tech GAFF's Avatar
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    4100 rpm while in park? that would be normal..
    SOLD 1999 GT Silvermist TS
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  3. #3 Re: Major Problems - Need help, please 
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    No, while I am in Drive. Hits 4100 RPM, doesn't go further and no acceleration.
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  4. #4 Re: Major Problems - Need help, please 
    resident snitch gtpinsc's Avatar
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    post here... u will get helped out alot faster 3.8L V6 Naturaly Aspirated (L36)(L26) At Your grandprixforums.net

    02 GTP with mods 05 GP for DD
    Quote Originally Posted by SuperSport View Post
    The majority of the people here are potheads who want to buy good condition parts at junkyard prices.
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  5. #5 Re: Major Problems - Need help, please 
    The mod from over yonder TheOtherNick's Avatar
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    Please do not triple post. It is most likely a clogged cat.
    01 gtp-big cam e85 dd 78dodge- guzzling fuel 05 cummins- rollin coal
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