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yellow light - vagcom output

goslings Aug 12, 2009

  1. goslings

    goslings New Member

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    have a yellow light on my audi TT 3.2L V6 DSG roadster
    this is the vagcom output
    Is is just as simple as a duff Lambda sensor that needs replaceing

    3 Faults Found:
    16814 - Catalyst System: Bank 2: Efficiency Below Threshold
    P0430 - 001 - Upper Limit Exceeded - Intermittent
    16804 - Catalyst System: Bank 1: Efficiency Below Threshold
    P0420 - 001 - Upper Limit Exceeded - Intermittent
    16414 - Oxygen (Lambda) Sensor B1 S1: Heating Circuit: Malfunction (Open Circuit?)
    P0030 - 004 - No Signal/Communication - Intermittent

    cheers
    Ian
     
  2. bearthebruce

    bearthebruce Ross-Tech, LLC

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    It may not be a bad sensor, it could be a bad connection to the sensor. This is the PreCat sensor on the right side of the vehicle when viewed from sitting in the seats - (Should be driver's side for you Brits). Typical Sensor Locations
     

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