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Thread: Engine "hunts." Revs up and down in neutral. OK after restart

  1. #1
    Join Date
    Jan 2010
    Location
    santa fe, nm
    Posts
    9

    Default Engine "hunts." Revs up and down in neutral. OK after restart

    Hi There,
    Started up last week, and within a minute of driving: no sense of power or acceleration.
    Sat in neutral, and engine "hunted" up and down.
    Restarted, and problem went away.

    Same pattern happened yesterday. Any thoughts? Will be getting an oil change soon, as well as 107K timing belt change.

    Karl

  2. #2
    Join Date
    Jan 2010
    Location
    santa fe, nm
    Posts
    9

    Default Further info. re. "hunting" engine

    "Check engine" light and yellow triangle light is on. Message says something re. "Engine service required."
    Had mass air flow, body throttle, and ETM reload dones 11/02/10.

    Could it be the same problem?

    Karl

  3. #3
    Join Date
    Sep 2002
    Location
    Belgium
    Posts
    2,371

    Default

    What MY is your car? How is the condition of the air inlet filter?
    Willy
    144 GL (1974)--->244 GL (1982)--->940 GLE 2.3i (1992)--->XC70 2.5T (2004)--->XC90 T5 (2018)

  4. #4
    Join Date
    Jan 2010
    Location
    santa fe, nm
    Posts
    9

    Default About the Model/Year

    Opps! It's a 2002 XC70, with 107K. Checked/cleaned the air filter 10 days ago, and the box/inlet were clean. ( Bus a varmit could have gotten in. Will check.

    Karl
    Last edited by [email protected]; 07-24-2011 at 09:53 AM. Reason: incomplete reply to respondent

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