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A6 C7 3 0tdi juddering

Sean85 Mar 9, 2020

  1. Sean85

    Sean85 New Member

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    Hi guys, hope I've posted in the correct section.

    I have a problem with my A6. I'm getting a violent judder. Only happens when I release the throttle around 70mph, then depress the throttle again immediately. Almost feels like it drops a cylinder or 2 for a second or so. Apart from at this speed, it runs and drives very smooth, with no smoke or misfire.

    Anyone had this fault, or can give any advice on what the potential issue could be? Been given conflicting diagnosis from 2 companies. 1 that it's a gearbox fault, the other that it's an injector fault.

    It's a 2012 3.0tdi.

    Many thanks
     
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  3. desertstorm

    desertstorm Moderator Staff Member Moderator VCDS Map User quattro Audi A4 Audi Avant Owner Group TDi

    7,173
    3,550
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    Were there any fault codes recorded on the gearbox or engine?. Is the car standard ?, does it have any kind of tuning box on it?.
     
  4. Sean85

    Sean85 New Member

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    No codes. Car is completely stock. It's done a little over 100k miles.
     
  5. bobby singh

    bobby singh BSR Gold Supporter VCDS Map User quattro Audi A4 TDi

    915
    641
    93
    Sounds like gearbox (s stronic issue) - what tool you using to check codes?
     

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