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  1. M

    S3 2.0 tfsi revving at idle on its own? not pcv changed it already

    So I cleaned maf sensor today cos I read that too no change , took pipes off pcv and checked everything is fitted correctly checked pipes they seem all good I can hear air when I listen close but I think that’s what’s just getting sucked through it...where the pipe fits to the inlet (or I think...
  2. M

    S3 2.0 tfsi revving at idle on its own? not pcv changed it already

    Yes dip stick is ok, rubber o ring still attached I’m pretty sure pvc pipes are good, will check again tomorrow, if it doesn’t do it all the time only when engine hot wouldn’t that rule out a air leak? Pcv valve is new from Audi ..Thanks for reply
  3. M

    S3 2.0 tfsi revving at idle on its own? not pcv changed it already

    So my audi s3 2010 revs on its own and only at idle and when up to running temp? Got to be a sensor or electric fault hasn’t it ? Not air leak? any help please
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