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Hunting ( and yes I've searched the forums)

Discussion in 'General Technical / How To' started by The Browser, Mar 3, 2008.

  1. The Browser
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    The Browser New Member

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    [Mar 3, 2008]
    Hi Guys

    I have a bizarre hunting problem with my A6 2.4 V6 1999 edition. When AirCon is on there is almost no hunting and no stalling and idle sits happilly om 600-700. With AirCon off and climate control on economy revs are jumping from 300 to 900 and back.

    Please guys Any idea? This drives me nuts :keule:and also costs a lot on petrol as Aircon always on.
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  3. audi5e
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    audi5e Member

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    [Jun 7, 2008]
    Could be a faulty/sticking idle control valve... when you put load on the engine under idle the valve will be required to work differently, hence smooth idle.
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