O2 Sensor Circuit Bank 2 Sensor 3

Where it lives

For P0162, the sensor sits on the circuit this code reports. The description of P0162 puts it on bank 2.

Check these first

• A failed oxygen sensor on bank 2 sensor 3
• A wiring fault on the bank 2 sensor 3 circuit
• A corroded sensor 3 connector
• An exhaust leak near sensor 3
• A faulty ECM input

What to do next

1. Read bank 2 sensor 3 on a scan tool
2. Inspect the sensor 3 wiring and connector
3. Check for exhaust leaks near sensor 3
4. Test the sensor 3 signal circuit
5. Replace bank 2 sensor 3
6. Clear the code and retest

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