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.