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High Rev on Startup? 850 1994

posted by  Altus7 on  Tue Feb 4 16:02 CST 2003
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Lately when I start the car (first start of the day or after it has been sitting for a long time), the engine revs up beyond 4 grand on the tach and then quickly back down to normal. This is a new problem and was wondering if anyone has ideas or has dealt with similar situations?







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    High Rev on Startup? 850 1994

    posted by  someone claiming to be Ray N. on  Wed Feb 5 08:00 CST 2003 [RELATED]

    I would suspect a dirty throttle plate. They should be cleaned
    annually. I wipe mine out with a clean rag and light solvent.

    This site has instruction to clean the flame trap. Follow them to
    the point where you see the throttle plate:

    http://volvospeed.com/Repair/ftrap.htm

    Then manually flip the throttle up (or pull on the throttle
    cable) and clean out all that black sticky gunk (it can hold
    the throttle slightly open).

    When you re-assemble double-check the throttle cable is correctly
    routed across the platic wheel (you'll know what I mean when
    you see it).







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    High Rev on Startup? 850 1994

    posted by  someone claiming to be john on  Tue Feb 4 20:44 CST 2003 [RELATED]

    have the same prob never had it sorted dealer can't find anything wrong, i think we may have to live with it







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