Thread: GTP stalling problems

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  1. #1 GTP stalling problems 
    GrandPrix Junkie SDGTP99's Avatar
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    Ohkay, I'm trying to fix a GTP with a pretty major stalling problem. You can start the car but, as soon as you let go of the gas it dies. The car previously had trouble codes that indicated issues with the MAF & ICM. The car just came back from the shop with a new MAF, the check engine light is no longer on but, the car still dies as soon as you let off the gas, just like before. I'm wondering if the problem could be a bad TPS or IAC. Or maybe there's still an issue with the ICM, and it in't setting any codes? Maybe it's grounded by a wire or something? But there's are no longer any codes for the ICM. Still. Any thoughts, comments, suggestions?
    OverKilled, HAI, Ported Throttle body, Ported intake, ZZP DP, Magnaflow, BMR ta's, GMPP STB's, CCS springs, tinted tailights, roof rails, TEP cool'r, G8 hood. Glass Gearbox.
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  2. #2 Re: GTP stalling problems 
    I live here. Below Average Joe's Avatar
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    What year?
    Quote Originally Posted by Sven The Sexman View Post
    Bill had a major role in all of the Star Wars movies; he was the force.
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  3. #3 Re: GTP stalling problems 
    GrandPrix Junkie SDGTP99's Avatar
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    It is a '99.
    OverKilled, HAI, Ported Throttle body, Ported intake, ZZP DP, Magnaflow, BMR ta's, GMPP STB's, CCS springs, tinted tailights, roof rails, TEP cool'r, G8 hood. Glass Gearbox.
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  4. #4 Re: GTP stalling problems 
    Donating Users Uno99's Avatar
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    Could be the IAC. is the throttle boby really gummed up and dirty? that was the issue on my 02 GTP

    02 GTP VS CAM / 3.2 MPS / CAI / SD HEADERS Catless DP & E-Cutout / AEM WB / HPTuners
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  5. #5 Re: GTP stalling problems 
    GrandPrix Junkie SDGTP99's Avatar
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    I'll check out the TB. Probably go ahead and clean it up real good too.
    OverKilled, HAI, Ported Throttle body, Ported intake, ZZP DP, Magnaflow, BMR ta's, GMPP STB's, CCS springs, tinted tailights, roof rails, TEP cool'r, G8 hood. Glass Gearbox.
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