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'89 running rough when i let off the gas

Discussion in 'The Garage' started by Luehrs1, Feb 11, 2007.

  1. Luehrs1

    Luehrs1 Registered Member

    Joined:
    Feb 5, 2005
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    Location:
    Jacksonville
    I am really confused right now. I just got a new exhaust on my '89 and a day later i am driving down the street and all the sudden it sounds like my tires are rubbing on something, or at least that is what it sounded like, then it felt like i had a flat, really hard bumping. I pulled over and everything looks fine. It only happens in reverse and when i let off the gas in drive, the noise and vibration will go away when i accelerate and come back the second i take my foot off the gas. It runs perfect at idle also. Any ideas?
     
  2. GruntHunter

    GruntHunter 1/2 ton status

    Joined:
    Apr 28, 2002
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    Location:
    Florida (Space Coast)
    I had something like that happen to me with an old girl friends '67 GTO. I discovered it threw one of the fan blades. Could also be a motor mount or something like that.
     

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