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Engine surging to 2500 rpm

Discussion in 'Truck & Equipment Repair' started by kcplowmata, Dec 9, 2007.

  1. kcplowmata

    kcplowmata Senior Member
    from kc
    Messages: 174

    start truck up and it surges to 2500 rpm and stays there . changed alot og sensors egr valve-idle control. 98 gmc 3500 454 eng. anyone help? im lost
     
  2. kcplowmata

    kcplowmata Senior Member
    from kc
    Messages: 174

    bump bump bump
     
  3. Mark Witcher

    Mark Witcher Senior Member
    Messages: 604

    If you have a Shucks or similar auto parts store they will run it for codes for free.
     
  4. kcplowmata

    kcplowmata Senior Member
    from kc
    Messages: 174

    think we found the problem water temp sensor making the air sensor close