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White smoke misfire help !

Discussion in 'A8/S8 forum' started by Turbo_scotty, Apr 20, 2014.

  1. Turbo_scotty
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    Turbo_scotty New Member

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    [Apr 20, 2014]
    my 3.0tdi 05 a8 has developed a heavey misfire/judder on idle if you rev is you can clear it and it smokes badly also (white) everything lead to injectors .


    I've recently changed injectors myself coded ect via vag com but still no joy no fault codes


    Although I have noticed that if you remove the swirl flap arm from the right bank and open it manually it runs spot on !


    So runs lumpy when closed on idle but runs fine when open I'm confused any help would be great


    Cheers Scott
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  3. B5NUT
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    B5NUT Well-Known Member VCDS Map User

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    [Apr 20, 2014]
    Are the motors controlling the swirl flaps faulty, as its a common failure.
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