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Lumpy then high idle...

chasdrury May 29, 2018

  1. chasdrury

    chasdrury Member

    My 1.8T has started in the last few days to have a lumpy idle when it starts up. The rev counter is not flicking around alot, but you can feel it in the car - lumpy through the vibrations.

    Then, after about 3 or 4 minutes the idle goes from 800rpm to 1100rpm and stays there - not lumpy but obviously high.

    Any ideas what it could be? Turning the car off and straight back on it does the same - and it doesn't matter if it's cold or hot.


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