P0162 OBD II Trouble Code 02 Sensor Circuit Malfunction (Bank 2 Sensor 3)
Detailed information on troubleshooting and repairing a P0162 DTC code which refers to an O2 sensor circuit malfunction on sensor 3 on bank 2. Also includes links to relevant forum topics on the code.
Symptoms of P0162 OBD II Trouble Code
- MIL (Malfunction Indicator Lamp) illumination
- Decrease in MPG
- Increase in tailpipe emissions
Common Causes of P0162 OBD II Trouble Code
- Bad O2 sensor
- Signal shorted to voltage
- Wiring problems due to contact with exhaust components
- Holes in exhaust near O2 sensor