Thread: 04 Grand Prix engine light on but car runs fine what could this be?

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  1. #1 Re: 04 Grand Prix engine light on but car runs fine what could this be? 
    01gpgt01
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    Default 12-01-2011
    Yeah About 5K different things can cause it.
    2001 GT. A few here and there mods http://www.streetfire.net/video/2001...ynp_208097.htm

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  2. #2 Re: 04 Grand Prix engine light on but car runs fine what could this be? 
    Fivefingerdeathpunch
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    Default 12-01-2011
    Do you have a autozone or local auto parts store around you that can scan for computer codes? Or even a mechanic friend?

    Take you car there and have them scan the car for codes and it bring up a number P----, with that number you will be able to figure out what is causing the check egine light to come on. Then you will just have to replace what ever part is needed.

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