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engine misfired for the first time this evening.

Discussion in 'The Garage' started by colbystephens, Jan 9, 2006.

  1. colbystephens

    colbystephens 1 ton status GMOTM Winner

    Feb 24, 2005
    Likes Received:
    so the 4.3 in my 95 s blazer misfired tonite for the first time. it was wierd tho, because it misfired only once when i hit 3000 rpm, then my check engine lite came on and went off as i kept rpms low. to test the rpm idea, i hit 3000 rpm again - sure enough it happened again - same thing. tried it one last time, and again the same result. this was all done on a freeway. when i got to my destination, i put it in park, reved the motor up to 3 grand and it didn't happen. then i had no problems with it at all coming home. any comments? could this be indicative of anything? thanks.
  2. trailblazr81

    trailblazr81 1/2 ton status

    May 27, 2005
    Likes Received:
    Hollister, CA
    Gremlins!!! I hate 'em. Pop up out of knowhere, then just disappear...

    Hows your electrical system?? I would look at the coil first, then maybe the cap n rotor, wires, plugs.

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