18666/P2234/008756

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18666/P2234/008756 - Oxygen (Lambda) Sensor B2 S1: Signal Shorted to Heater Circuit

Possible Symptoms

  • Malfunction Indicator Light (MIL) ON

Possible Causes

  • O2 Sensor Faulty
  • Wiring and/or Connector(s) from O2 Sensor to Engine Control Module (ECM)
  • Failed Engine Control Module (ECM)

Possible Solutions

  • Inspect O2 Sensor and Its Wiring Harness, See Repair Manual.
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