engine reving up and down rapidly in cold weather

Discussion in 'General Motoring' started by mark, Nov 22, 2003.

  1. mark

    mark Guest

    92 lude, engine revs up and down rapidly in cold (below 50F)weather.
    Any help given is greatly appreciated.
     
    mark, Nov 22, 2003
    #1
  2. mark

    George Elkins Guest

    Check coolant level and look for leakage.
     
    George Elkins, Nov 24, 2003
    #2
  3. mark

    Will Guest

    Don't know if this any help but I had a '94 Civic with the same problem and
    found it was the cold idle valve clogged with deposits (it was below the
    throttle body and has two coolant pipes attached to it). Not sure if Prelude
    engine is similar but worth saying...

    Good luck

    Will
     
    Will, Nov 26, 2003
    #3
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