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rough idle

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by therover87, Nov 19, 2001.

  1. therover87

    therover87 1/2 ton status

    Joined:
    Jun 24, 2001
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    Location:
    Long Island, New York
    i have an 87 k5 with a 350 tbi and i recently put the msd 8.5mm super conductor spark plug wire, msd cap and rotor, and ac delco rapidfire spark plugs and my idle is still very rough, i have to rev up the motor and the idle will jump back up, what would cause this to happen?, thanks.
     
  2. Haulgas

    Haulgas 1/2 ton status

    Joined:
    Mar 25, 2001
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    Location:
    Phoenix Az
    Look at my post I NEED HELP (Haulgas) Maybe something on there will help you.

    IT'S NOT JUST A J**P THING AND I DO UNDERSTAND
     

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