Thread: engine sounds terrible

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  1. #1 engine sounds terrible 
    GT Level Member JesseBranham's Avatar
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    I have an 02 gtp and recently it sounds like poo. You can only hear it in the higher rpms. I think it may be an exhaust leak. Please help. Thank you.
    Video: https://www.youtube.com/watch?v=zjSc...e_gdata_player
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  2. #2 Re: engine sounds terrible 
    I live here. Slick2500's Avatar
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    Yeah sounds kinda like an exhaust leak. Check after the cat, if it was before the cat your cel would come on and you would get p0420 most likely, check the res and mufflers they might be rotted out.
    2003 Redfire Metallic Chevy Tahoe Z71 - Airaid Modular Intake Tube, Flowmaster Exhaust.
    Quote Originally Posted by The Sunfire Guy
    Superchargers take away horsepower
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  3. #3 Re: engine sounds terrible 
    GT Level Member JesseBranham's Avatar
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    I haven't been able to check out underneath yet but I did get a CEL and it is P1441 (EVAP system flow during non-purge). Would that be it?
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  4. #4 Re: engine sounds terrible 
    I live here. Slick2500's Avatar
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    No.
    2003 Redfire Metallic Chevy Tahoe Z71 - Airaid Modular Intake Tube, Flowmaster Exhaust.
    Quote Originally Posted by The Sunfire Guy
    Superchargers take away horsepower
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