audi A6 idle juddering | Technical matters | Back Room Forum

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Sun 15 Jun 2003 02:52

audi A6 idle juddering - ayoi

need advice on my A6 2.4 auto 1997 . about 2 months ago it had to taken to a audi dealer as it would not start after left unused for 2 weeks.not battery problem.the dealer said there was fuel flooding and changed all sparks and add fuel treatment. start ok since but had trouble with the engine juddering at idle espescially when climate control on and using the brakes. brought it back to dealer and they changed a faulty spark lead. some improvment but still not completely gone. third time they diagnosed a faulty valve timer and changed it at total of £370!!!and guess what ? yup ! made absolutely no difference. interestingly whenthe engine is cold it runs smooth but starts after driving a few minutes and also after awhile some noticeable judder when accelerating as well though not as bad as idle .any idea before it has to go back to that dealer ...i amfast losing faith and money..incidently as they repalced a nonfaulty component are they obliged to omit the charge for further work? note prior to this episode the engine was smooth as silk!
thanks
ayoi

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Wed 20 Jun 2012 12:55

audi A6 idle juddering - Red&Bold

anyone have any ideas on this? a friends car is showing the same symptoms?

any help much appreciated.

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Wed 20 Jun 2012 13:46

audi A6 idle juddering - Peter D

A close inspection of all the vacuum pipes is required. I suspect a leak. Regards Peter

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