Question about 1996 GMC Sierra

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Tailpipe BLACK , exhaust reaks of gas !

Hard startin' , rough idle , hesitant takeoff , bad gas mileage , 200k miles , 1996 GMC Sierra 1500 , V8

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  • Kurt Stennes
    Kurt Stennes Mar 12, 2009

    It aint my truck , i'm a ford man ! BTW I thought it was "Garbage Mans Companion" Good stuff ! I'll check it out . Thanks

  • Kurt Stennes
    Kurt Stennes Mar 20, 2009

    Does it apply to a second or third owner ?



    How would I find out warranty info .... from a dealer or what ?



    Thanks for the info !



    Kurt

  • Kurt Stennes
    Kurt Stennes Mar 20, 2009

    It Has new plugs ,wires ,air filter ,basic tune up .

    Could it be a fuel pump/filter problem ?

    The gas this thing drinks is killin us !

  • yadayada
    yadayada May 11, 2010

    time for trip to the dealer I think.

  • yadayada
    yadayada May 11, 2010

    200,000 miles will not have any warranty, 70,000 is about it, some have a 100,000 on the catalytic converter. I am a dealer tech and I am not guessing on this.

  • yadayada
    yadayada May 11, 2010

    do u have a check engine light on?

  • John Aman
    John Aman May 11, 2010

    Any idea whether all cylinders are firing?

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  • 23 Answers

Garage mans company.
broken plugs.

Posted on Mar 12, 2009

  • mhaen1172 Mar 18, 2009

    make sure to check the warranty. even in some cases with 200k the still have emissions warranty. to include free replacement of plugs,wires ,etc. the to replace catalyst and exhaust parts.

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