Question about 1995 GMC Jimmy

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1995 gmc jimmy, bogs down, rpms jump up and down

My 1995 gmc jimmy has been giving me some problems, it starts up fine, but then when i drive it buckles and bogs and revs high and low, we ran a diagnostics on it and its pointing to the TPS (throttle positioning sensor), we checked all the o2 sensors, we replaced the fuel filter when we replaced the motor in it.Since the new motor we have put a new cateletic converter on it, changed the oxygen sensor,rear wiper motor,signal cluster,new headlight. We changed all the plugs and wires, the charging system is good, it shows the right voltage, when im driving and it starts to miss if i accelerate more it clears up then will act up at a crusing idle, I really need some help, Thanks for looking

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  • Jeremy Yono
    Jeremy Yono Mar 02, 2009

    Please dont post stuff like that if its not helpful

  • dalanwalk Mar 31, 2009

    I have the same problem with my 95 jimmy slt and i was wandering is there anyone out there too that can help me?I just put a new motor in it and i started that same problem

  • kingblaine Apr 03, 2009

    Same problem here and not getting any codes !!

    decker474@hotmail

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Gghghghhgh

Posted on Mar 01, 2009

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It is the module under the distribitor, first try to unplug the computer under the glove box then plug back. that will reset it. if that dont do it change the module,

Posted on Oct 04, 2013

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I also have a 95 jimmy and i was having the same problem, my solution was to replace the EGR valve.

Posted on Sep 23, 2009

  • Garrett Oct 22, 2011

    I have the exact Problem you just described here. Can you help me out by telling me what you discovered. It was save me a lot of time and money. Thanks. You can also email me at paramagic180@gmail.com Thank you So much!

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