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help please

Discussion in 'A4/S4 forum(B5 Chassis)' started by mikeya4, May 24, 2009.

  1. mikeya4
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    mikeya4 Member

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    [May 24, 2009]
    I just went to drive my car and it started bucking, then its kicking out loads of grey smoke, it has no power under any load and bellows smoke out, i've checked hoses etc and it idles pretty smooth just nothing under load, even if you try revving it will go to 2k then go up and down slowing building up, any ideas where to check? its a 2.5 tdi
    cheers
    #1
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  3. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    [May 24, 2009]
    Are you getting any boost?

    You need to get a fault code scan on it. Could be the MAF or Turbo, or if your really unlucky the injector pump itself..
    #2
  4. mikeya4
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    mikeya4 Member

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    [May 24, 2009]
    Hiya, i've been having a play and will check vag com tomorrow but if i pull the vac hose to the wastegate its smooth as normal but obviously no boost, i think it might be something to do with the gash mbc and vac hoses
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