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why all of a suddan does engine light come on

Discussion in 'A3/S3 Forum (8L Chassis)' started by s3gazz, Mar 11, 2011.

  1. s3gazz
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    s3gazz Active Member

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    [Mar 11, 2011]
    hi was on the motorway today put my foot down for a few seconds till about 100 and then 5 mins latter the engine light come on what the foooook.

    checked on vagcom and this come up 18020 engine control module incorrect coded intermitent.
    along with something to do with the cat but its been de-cated so thats why.

    when i come on to full boost and the turbo kicks in about 3 1/2 to 4 rpm i get a spitting spluttery noise from behind the dash what could this be this been happening since it come back from audi recall could this be why tar guys
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  3. Sandip
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    Sandip Well-Known Member

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    [Mar 11, 2011]
    Did Audi do a software update on your car Gaz?
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  4. s3gazz
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    s3gazz Active Member

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    [Mar 11, 2011]
    i told them not to do any software updates on it sandip so prob not
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  5. bez101
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    bez101 Yorkshire & Humber Rep. Regional Rep VCDS Map User

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    [Mar 11, 2011]
    you may have said dont do updates but its if they told the spanned man not to do them
    or if he read the slip
    did you have the cat wrote out when you had it removed ?
    from the code they may have upgraded
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