17539/P1131/004401

From Ross-Tech Wiki

17539/P1131 - Oxygen (Lambda) Sensor; B2 S1: Internal Resistance too High

Possible Symptoms

  • MIL On

Possible Causes

  • Faulty O2 Sensor
  • Wiring Harness Issue for O2 Sensor

Possible Solutions

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