740 Turbo Revs between 2K-1K

Discussion in 'Volvo 740' started by Katrina, Aug 7, 2005.

  1. Katrina

    Katrina Guest

    Help! My 1989 740 Turbo sedan began revving this week. Say I'm at 2K
    RPM, then I let off the gas. As soon as it hits 1K RPM, it revs back up
    to 2K, then back down, then back up.
    Any ideas?
     
    Katrina, Aug 7, 2005
    #1
  2. Katrina

    James Sweet Guest

    The usual cause is a vacuum hose has come off under the hood somewhere.
     
    James Sweet, Aug 7, 2005
    #2
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