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16538/P0154/000340 - Oxygen (Lambda) Sensor B2 S1: No Activity

Possible Symptoms

  • Lambda Closed-Loop Control switches to Open-Loop Control
  • Increased Fuel Consumption
  • Emission Levels not OK
  • Spark Plugs become covered with Soot (might lead to misfire)
  • Rough Idle

Possible Causes

  • Lambda Sensor faulty (dirty)
  • Lambda Sensor Heating faulty
  • Lambda Sensor Wiring faulty

Possible Solutions

  • Check/Clean Lambda Sensor
  • Check Lambda Sensor Heating
  • Check Lambda Sensor Wiring