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1999 s3 8l. slightly high emmissions

s3welshy Feb 27, 2013

  1. s3welshy

    s3welshy Member

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    hi all. just had my car mot.d and the tester advised me the emmissions are slightly high.
    any ideas of how to lower them please.
    just about to change all oils and filters. any help is greatly appreciated.

    thanks.
     
  2. gen.heinz guderian

    gen.heinz guderian Well-Known Member

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  3. <tuffty/>

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

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    Have you removed any of the valves (N249, N112) and not left them plugged in? have you checked for any fault codes that may suggest a faulty lambda or other sensor?

    <tuffty/>
     
  4. <tuffty/>

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

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    ...I assume you don't have a decat?

    <tuffty/>
     
  5. s3welshy

    s3welshy Member

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    thanks for the replys.
    no decat and no valves by passed that i know of. got cat cleaner coming this afternoon.
    the car is standard but did have a cone filter on untill last week. now std airbox and filter.

    thanks again
     

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