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Fault Code

Discussion in 'A3/S3 Forum (8L Chassis)' started by neap38, Oct 22, 2013.

  1. neap38

    neap38 Member

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    01262-Turbocharger (TC) wastegate regulating valve Wiring, fuse, TC wastegate regulating valve

    I have noticed at times that the recirculation valve has been fluttering and also sometimes it feels as if all boost has been lost intermittently and then returns a few minutes after.

    I had my suspicions that the recirculation valve needs replacing, would this error code and symptoms confirm this?

    Your help is appreciated.

    Kind regards.
     
  2. Gops

    Gops 6th gear @7000rpm

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    Your N75 valve may be faulty. Check the wiring to the N75, and the pipes going out!
     
  3. rayh77

    rayh77 S3 AMK Merlin Purple

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    Read up on N75 bypass, worth a read , threads are on forum
     
  4. <tuffty/>

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

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    No such thing mate... you are thinking of the N249 bypass... N75 is the boost control valve... N249 is the ECU's control over dumping boost via the DV... different beasties...

    <tuffty/>
     
  5. ShaunS3

    ShaunS3 Yorkshire & Humber Rep.
    Regional Rep VCDS Map User

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    How do you know if an N249 bypass has been done correctly?
     
  6. neap38

    neap38 Member

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    So would anyone here have first hand feedback on the N75 J valve as a replacement?

    The car is a 1998 150. Its completely stock at the moment but I have plans to tinker with the engine to quite an extent over the next few months.

    Would the J valve be suitable for this?
     
  7. neap38

    neap38 Member

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    Anyone?
     
  8. <tuffty/>

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

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    Personally... wouldn't touch it with a barge pole... AGU's are more tolerant but it still produces a boost spike and boost spikes are bad...

    <tuffty/>
     

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