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TFSI Help Please

steve123a Aug 17, 2010

  1. steve123a

    steve123a Member

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    I have been having a bit of trouble with my 2.0 Tfsi, It started to stutter a bit under full load and has been in and out of the garage for the past month and a half. It has had all the usual things checked and also just had a service.

    Firstly they have tested it and run the faults through the computer and gradually they have gone down from 7 faults to 3 faults, the last thing replaced was the maf sensor, which seemed to help for a short while and now it's back to as it was before with the engine management light back on.

    The garage have been very good in trying to sort the problem out, but even they are struggling to work out what's wrong with it, the fault codes now seem to indicate a vacuum problem and when the car is idling and you take the oil filler cap off, there is a real sucking vacuum noise and the car starts to almost cut out.

    If anyone can have a check on their car with the same engine and see if they get the same result I would really appreciate it? Or if anyone has any suggestions.

    Many Thanks Steve
     
  2. Marrow

    Marrow Member

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    Sounds like a PCV (pressure control valve) fault mate or possible coil packs ?
     
  3. steve123a

    steve123a Member

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    I have changed that twice now, once earlier on and again today just incase there was an issue it
     
  4. steve123a

    steve123a Member

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    The garage also changed the coil packs, didn't make any difference.
     
  5. Marrow

    Marrow Member

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    Er dont know then sorry mate try taking it to a specialist vag tech / awsome gti depends were your based ?
    Has it been back to Audi what do they say ?
     
  6. steve123a

    steve123a Member

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    It's in an audi specialist at the moment, does your car have the same engine? if so could you check if you get a vacuum when you open the oil filler at idle?

    Thanks
     
  7. Marrow

    Marrow Member

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    Ye same engine will check tonight for you mate !
     
  8. auroan

    auroan Active Member

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    Which specialist ? Some are more "special" than others....
     
  9. goon

    goon Member

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    sounds like a breather pipe problem,check the crankcase vent system for a blockage.
     
  10. DTM1

    DTM1 Member

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    steve, how many miles has your DTM done?
     

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