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Running rich

Discussion in 'A3/S3 Forum (8L Chassis)' started by Shug1874, May 13, 2009.

  1. Shug1874

    Shug1874 Member

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    Vagcom reckons my car is running rich.
    17545 - Fuel Trim: Bank 1 (Add): System too Rich
    P1137 - 35-00 - -
    to be precise. Its also complaining that there is a pressure drop between turbo and throttle valve. I've already replaced the DV with a forge one. I guess its possible the pipe is screwed? Would this error also cause the system too rich one? Got an MOT due by end of month and not liking what this might do to the emissions.
    No other errors found. The engine management light came on which is why I did the vagcom check. Cleared the codes and its not come back on yet.

    Everytime I fix one thing on this car, another problem appears. I expect there to be an error code of 'car on fire' popping up soon! :whistle2:
     
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  3. Lenny Benford

    Lenny Benford snowed under

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    17545/P1137/004407 - Fuel Trim: Bank 1 (Add): System too Rich

    Possible Symptoms

    * Malfunction Indicator Light (MIL) active

    Possible Causes

    * Mass Air Flow (MAF) Sensor faulty
    * Fuel Pressure Regulator faulty
    * Fuel Injector(s) faulty
    * Oxygen Sensor Control faulty
    * Oxygen Sensor(s) faulty
    * Evaporative Emission (EVAP) System faulty

    Possible Solutions

    * Check Mass Air Flow (MAF) Sensor
    * Check Fuel Pressure Regulator
    * Check Fuel Injector(s)
    * Check Oxygen Sensor Control
    * Check Oxygen Sensor(s)
    * Check Evaporative Emission (EVAP) System

    Special Notes

    * Fuel Trim Information

    http://wiki.ross-tech.com/index.php/Fuel_Trim_Info
     

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