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Idle Problem

Discussion in 'A3/S3/Sportback (8P Chassis)' started by Oreo5000, Sep 18, 2012.

  1. Oreo5000

    Oreo5000 Member

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    Hi Guys,
    I have a bit of an issue which I'm hoping someone can give me a rough idea of what the problem might be.
    I had my car serviced a couple of weeks ago (stock 2008 S3) and everything has been great, but this morning when I was at the traffic lights it decided to start accelerating for no apparant reason. At first I thought I had caught the pedal but it happened more than once, I managed to film it in action.

    Take a look here, I'm sat with the engine running, in neutral, handbrake on... :
    S3 idle - YouTube

    You can see it happen at the start and also at the 25 second mark.
    It's as if I'm slowly accelerating but it definitely isnt my foot doing it! Maybe she's become self aware!?

    Any help would be much appreciated
    Thanks in advance!
     
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  3. dezz

    dezz New Member

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    vacuum leak, mine did exactly the same thing when the PCV failed
     
  4. Oreo5000

    Oreo5000 Member

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    Thanks Dezz,
    So what's the fix and how much will I be looking at? (Sorry, I'm no mechanic!)

    Cheers
     
  5. dezz

    dezz New Member

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    I'm not sure of the cost as mine was replaced under warranty but I don't think the PCV is expensive.

    Personally I would take to a mechanic as if it is a leak they should be able to find it pretty quickly.
     
  6. Oreo5000

    Oreo5000 Member

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