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Any idea whats wrong with my car ??

951 Nov 15, 2007

  1. 951

    951 Member

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    It starts and runs ok but seems to lack power and can be very slightly hesitant and jerks when you let the power off. Its been on the computer at the garage and it came up with the fault codes for the maf and the ect sensor both of which have been replaced and the codes cleared but the car is still no better !!!
     
  2. mwarrey

    mwarrey Member

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    Have you changed the divertor valve, this can cause hesitation and jerks and can cause a slight dip in performance.
     
  3. 951

    951 Member

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    Thanks for the reply ,I didnt even know about the divertor valve,where abouts is it and are the expensive to change ??
     
  4. mac1403

    mac1403 Member

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    The diverter valeve is situated below the turbo. you will need to remove the sump guard to get to it, but thats simple enough. A lot of people on here just fit the uprated version which is the 710N. This can be bought from Audi or somewhere like VAG parts and is quite cheap. The other option is to fit a aftermarket one like Forge,Hyperboost or Bailey
    Have a look here
    http://www.icjperformance.co.uk/products-milltek-hyperboost.asp
     
  5. docurley

    docurley Moderator Staff Member Moderator

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    This will work for face lift too just ignore the headlight part and remove them in the correct way.

     
  6. 951

    951 Member

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    Thanks everyone ,after reading the link it describes almost exactly the symptoms of my car . i'll get one ordered asap !!
     
  7. 951

    951 Member

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    How much are the standard ones or has anybody got one for sale as im reluctant to spend over £100 on a part that might not even fix the car !!!
     
  8. Broken Byzan

    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User quattro Audi A4

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    IIRC the 710n is like £25 from a stealer new matey
     
  9. 951

    951 Member

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    Cheers mate ,i will give the dealer a ring on monday morning !!
     
  10. jcb

    jcb Active Member VCDS Map User

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    I replaced mine without any of that just by removing the undertray and jacking the front up a bit, 30 mins tops
     

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