w203 or m271

  1. G

    W203/M271 with P0020 fault

    Grateful to anyone who can help me with a CEL problem. The car is a 2004 C180K with M271 engine. For some time the CEL light had been on with a circuit fault for the exhaust camshaft position sensor. Checking the output of the sensor with a 'scope confirmed it was faulty. However, replacing it...
    • Grasscutter
    • Thread
    • fault m271 p0020 w203 w203 or m271
    • Replies: 19
    • Forum: Engine
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