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Stuttering on idle and under power

s3_will Apr 16, 2013

  1. s3_will

    s3_will Member

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    Morning all,

    Just had a terrible drive into work in my S3. The past couple of weeks the idle when cold has been very poor and I've had to apply a little throttle to keep it from cutting out. This morning the car started fine but under power it would stutter. I had a similar issue to this once before and it boiled down to the MAF.

    Does anyone have any suggestions?

    Thanks

    Will
     
  2. Paradox1

    Paradox1 Active Member

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    you will need to get it scanned really but I had the same with a maf. get it scanned first then you'll know which route to take :thumbsup:
     
  3. s3_will

    s3_will Member

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    A friend has a reader so I'll plug that in and see what it brings up.
     
  4. 16Klappe

    16Klappe I <3 Panda's! Supporter

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    If it drives "ok" with light throttle I would suggest map sensor or more likely failing coil packs.
     
  5. s3_will

    s3_will Member

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    There is still some stuttering when driving on a constant throttle. Is there a way to see if the coil packs are going or just a case of replacing them and hoping that sorts it?
     
  6. Paradox1

    Paradox1 Active Member

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    pull the out one by one


    also try disconnecting the maf
     
  7. s3_will

    s3_will Member

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    I just about got home, the car went into limp home mode! Turned out coil 2 had failed. £20 later and I'm back up and running and back on full power.

    Cheers for the help guys.
     
  8. Paradox1

    Paradox1 Active Member

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    Good stuff :)
     

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