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A3 2.0 TDI Turbo Charger, Under Boost issues

MSS3 Apr 13, 2012

  1. MSS3

    MSS3 New Member

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    Hi All,
    I'm new on this forum and have a A3 2.0 TDI 2009 year Sportback with the common rail diesel engine.
    Whilst driving at higher speeds on the motorway for over a few miles my Glow plug light starts flashing,

    I've had the cat plugged in and have been given a error code of P0299 with message of TURBO UNDER BOOST, Permanent.
    Could any one please advise what I'm up against ? Some maybe Turbo others the Actuator and a few saying it could be the Turbo boost sensor?
    Are there any good specialists in or around the Birmingham area please?

    Cheers Manny,
     
  2. MSS3

    MSS3 New Member

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    I've been informed that the Acutuator is faulty and that I need a new Turbo!
     
  3. NHN

    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    Yes but CR was only on facelift cars, so I would be chatting to audi about some form of warranty given facelift was only late 08 onwards, I think you may have some case.
     
  4. audicruiser

    audicruiser Audi Heaven

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    I'd check all pipe work first as its quite common for boost leaks to occur at inter cooler joins etc...
     

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