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  1. 147bear

    147bear Member

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    Just picked up new 2009 S3 yesterday love it! it has been remapped with a milltek exhaust the garage had,no paperwork for exhaust etc he was going to chase up anyway on way home engine management light came on :( dropped into local audi dealer for system check-it came up- catalyst system,bank 1 efficiency below threshold static?does this mean a new sensor required or need remapped has the cat been removed ideas guys ,salesman at garage is chasing up said there was no problem before my luck he will pay for what is required any ideas guys?
     
  2. RedDejavu

    RedDejavu Well-Known Member

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    stage 2 map required to map out the sensor. Is the car driving ok?
     
  3. 147bear

    147bear Member

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    yes its driving fine mate,someone else suggested,but another specialist says probably just a sensor? Cheers
     
  4. RedDejavu

    RedDejavu Well-Known Member

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    What kind of remap is the car having now? Its typical problem when you fit stage1 map onto a car with 100cell sports cat
     
  5. 147bear

    147bear Member

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    Ok typical problem my luck ,ive no history on setup and waiting till dealer gets hold of to see a way forward nothing planned yet mate.
     

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