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LIMP MODE

hubbo1 Jul 12, 2012

  1. hubbo1

    hubbo1 Member

    115
    6
    18
    a4 2.0 tdi auto 2005
    while accelerating the car lost power(limp mode?) no warning lights so pulled over ignition off-ignition on and drove fine again.
    there was a fault code-overboost-on diagnostic, any ideas?
     
  2. wayne77

    wayne77 Member

    76
    1
    6
    this could be a number of things but i would start with looking for a split vaccum pipe or maybe one has popped off
     
  3. NHN

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

    29,272
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    Mileage?
     
  4. Administrators

    Administrators Administrator Staff Member Administrator Audi A4 TDi

    3,968
    585
    113
    As stated it could a host of things... Airmass, Leak sticking VVT. At 7 years old and if the Airmas hasn't been done that's were I would start. To see if any of the pipes are leaking have a look and see if there is any oil leaking out of them. Your car has a small amount of oil being blown around all the time and a good sign of an air leak is the oil getting past the joints.

    Best of luck

    A
     

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