Thread: Rough idle, sometimes stalls

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  1. #1 Re: Rough idle, sometimes stalls 
    GrandPrix Junkie SDGTP99's Avatar
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    My car is idling at around 1000-1300. I think illl deffinetly check for an intake leak. Ive checked for everything else.
    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: Rough idle, sometimes stalls 
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    Hi Guys,

    Did anyone find a solution to their rough idle? I am experiencing the exact same symptoms on my 2001 GTP and would love some suggestions!

    I spun a main bearing and got the engine reman'd about 10,000 Miles ago. Plus I don't notice any coolant loss, so I'm not convinced it's a leak in the LIM...
    Last edited by Saber83L; 03-18-2011 at 10:46 AM. Reason: Additional Details
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  3. #3 Re: Rough idle, sometimes stalls 
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    Quote Originally Posted by Saber83L View Post
    Hi Guys,

    Did anyone find a solution to their rough idle? I am experiencing the exact same symptoms on my 2001 GTP and would love some suggestions!

    I spun a main bearing and got the engine reman'd about 10,000 Miles ago. Plus I don't notice any coolant loss, so I'm not convinced it's a leak in the LIM...
    For me it was the MAF. Unplug it while the car is running and see if you have no change
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  4. #4 Re: Rough idle, sometimes stalls 
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    Thanks! I'll give that a try next. Basically, it'll start fine cold, but after idling for a few minutes, it'll just die and won't start up again. I might check the IAC valve too.
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