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Audi S3 8L 2002 BAM NO BOOST

S31PWA Aug 13, 2018

  1. S31PWA

    S31PWA New Member

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    Right guys I have a problem with my car..

    got some work done on the car a full service and other stuff like pads ect

    now driving the car I have no turbo kicking in no boost what so ever

    vacuum pipes seem fine no splits noticed the pipes that went under the inlet were the wrong way switched them around still no boost.

    changed the MASS air flow sensor

    checked the fuses

    its funny wen you put the car in reverse you can feel the turbo starting to spool


    SOMEONE HELP SPENT TO MUCH MONEY IN A GARAGE!!!!!
     
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  3. Pinky1959

    Pinky1959 Active Member

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    Take it back to the garage and complain , You spent good money it should be right.
     
  4. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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    You want to post in the 8l section you will get more help there scan it with vcds also that’s should always be a starting point when looking for faults
     
  5. S31PWA

    S31PWA New Member

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    I Did take it back he goes its an old car and temperamental, just happens
     
  6. S31PWA

    S31PWA New Member

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    Sorry im new to this how do I post it there
     
  7. Tj 0785

    Tj 0785 Well-Known Member Silver Supporter VCDS Map User Bronze Supporter Audi S3

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    Scroll down the main forum section past general discussion and you will see a3/s3 click on the 8l section and that will be your answer to all your questions
     
  8. S31PWA

    S31PWA New Member

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    K
    Keeps giving me a error wen posting for some reason
     
  9. Stuart B

    Stuart B Well-Known Member

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    Scan the car with vcds you can download a free version and buy a kkl lead for about a fiver from eBay.

    If the garage said temperamental does that mean it sometimes works?
     
  10. badger5

    badger5 www.badger5.co.uk Site Sponsor

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    whats your location?
    if you want to pop in for a quick (no charge look) we're at GL102DG postcode.
    Something daft no doubt not plugged in or plumbed wrong.
     
  11. S31PWA

    S31PWA New Member

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    good and not so good news the turbo was seized somehow , got a new turbo boom done, but now i get boost it cuts in and out underload,
    feel like selling the car now

    HELP!!!!!!!!!!!!
     
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  13. <tuffty/>

    <tuffty/> Badger 5 Edition...Its all about the flow... Staff Member Moderator Audi S3

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    A genuine borgwarner turbo or chinese one off ebay?

    <tuffty/>
     
  14. desertstorm

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

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    Car needs to be looked at by somebody who knows these engines. Fault codes need checking and engine logged to see why it's cutting out. Could be fuel issues or excessive EGT , It may all come down to a poor map on the engine which is why the original turbo died.
     
  15. <tuffty/>

    <tuffty/> Badger 5 Edition...Its all about the flow... Staff Member Moderator Audi S3

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    I suspect its over boosting... ebay turbos have small wastegate holes and no boost control... could have also fitted a hybrid by mistake but as Karl has suggested codes would be useful

    <tuffty/>
     
  16. S31PWA

    S31PWA New Member

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    Rebuild with stronger internals
     
  17. S31PWA

    S31PWA New Member

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    no maps on the car its box standard atm and will remain done a fault scan cannot find anything in stored or pending codes, was thinking along the lines off the n75 not sure.
     
  18. <tuffty/>

    <tuffty/> Badger 5 Edition...Its all about the flow... Staff Member Moderator Audi S3

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    Ok... thats doesn't really say what it is though... define stronger internals? did they change the compressor wheel for a billet one for example?

    <tuffty/>
     
  19. Stuart B

    Stuart B Well-Known Member

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    what did you scan with? if it is Android Torque Pro or similar they only really return current ECU Faults (even the pending) there is usually a handful of other items with VCDS / VAG COM
     

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