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cough every 2-3 seconds 2.0 tdi A3 2006

Discussion in 'Diesel forum' started by vw754, Apr 7, 2009.

  1. vw754
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    vw754 vorsprung Durch Technik

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    [Apr 7, 2009]
    my 2.0 tdi a3 when on idle seems to cough/hiccup ive cleaned egr and replace airfilter but cant seem to find what causing this,vag has been used and after a full scan no faults were found.
    #1
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  3. kwempe
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    kwempe New Member

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    [Apr 19, 2009]
    Mine does this too, I believe its quite common. I used injector cleaner and after driving for a few hundred miles it improved. I also Bluefinned my car and it hardley ever does it now. Maybe the mixture is run a little too lean for comfort?
    #2
  4. scobs
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    scobs New Member

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    [Apr 23, 2009]
    having the same problem only when cold i just changed the adaption for idle control and got better i need to check it again in the morning,gonna check the timing ive checked everything else
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