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1.8T idle problem.

Discussion in 'A3/S3 Forum (8L Chassis)' started by jay1601, Nov 24, 2013.

  1. jay1601

    jay1601 Well-Known Member

    Jun 25, 2010
    Likes Received:
    i've had a search around any can't find a answer,

    the problem with my car is the idel speed is too high its been doing it now for the past 2 weeks, fuel range has dropped aswell, average of 29MPG rather then 34+

    if your driving and put it into netural the revs jump to 1400RPM and stay there

    when pulling up to traffic lights, it will idle to 1400RPM then slowly drop back down to 1000RPM

    vac is still perfect at 20 and will boost fine.

    no fault codes other then 00532 supply voltage B+ static- signal too small. which seems to be a SRS fault nothing to do with the engine.

    i've tried taking the battery leads off for 30 mins, made no difference

    anyone got any idea's ?
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  3. Nick101

    Nick101 Boost fiend

    Dec 16, 2008
    Likes Received:
    Have you tried a throttle body reset with vagcom?
  4. A3-Lee

    A3-Lee Active Member
    VCDS Map User

    Dec 11, 2011
    Likes Received:
    Possible throttle body fault buddy I had this with mine

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