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S3 57 plate Revs bouncing up and down between 1000rpm and 2000rpm HELP

Discussion in 'A3/S3 Forum (8L Chassis)' started by NIC1985, Jan 14, 2013.

  1. NIC1985
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    NIC1985 New Member

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    [Jan 14, 2013]
    MY S3's REVS ARE BOUNCING UP AND DOWN only when sat stationary at the lights etc it seems to pull ok although it gives the odd judder whilst accelerating hard

    i recently had the timing belt changed but it was fine till about a week later when i dropped oil and changed it for a 5 x 30W

    IVE CHANGED THE PLUGS SINCE IT STARTED DOING THIS, ALSO CHECKED THE COIL PACK AND IT DOESN'T SEEM TO BE THAT EITHER, I DISCONNECTED EACH COIL ONE AT A TIME TO CHECK THOSE AND IT ONLY MADE IT WORSE,

    FAULT CODE IS COMING UP AS > HEAT TEMP SENSOR AND > IDLE FAULT

    HAS ANY1 ANY IDEAS AS TO WHAT THIS MIGHT BE OR WHERE I SHOULD START TO TRY FIND THE CAUSE IM BAFFLED AND DONT WANT TO START THROWING MONEY AT IT?????? [​IMG]
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  3. BENJAMIN
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    BENJAMIN Active Member

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    [Jan 15, 2013]
    You need to post in the 8p section as you're in the older 8L model forum.

    But........ Your problem sounds like a split pcv on the rocker cover. Very common on the tfsi. Do a little google search about it, very easy to fix. :)
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