Thread: 98 Grand Prix GT 3800 159k on it but engine LOPES

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  1. #1 Re: 98 Grand Prix GT 3800 159k on it but engine LOPES 
    Turbo is the way to go. BillBoost37's Avatar
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    Rob..

    The two Bill's are here for you on P0171.
    Check/replace and or seal the EGR to LIM tube. Typically it cracks over time and no testing will find the leak.
    Check all other vacuum and TB gasket etc.
    Clean maf sensor
    Ensure fuel pressure is good
    Check battery cables for any corrsion

    That'll start you off.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  2. #2 Re: 98 Grand Prix GT 3800 159k on it but engine LOPES 
    SE Level Member Fritcr's Avatar
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    Sarasota did you replace the ends? I have not done that but I cut back the plastic and cleaned them really good.
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