Heated Oxygen Sensor Replacement - Bank 1 Sensor 2

Heated Oxygen Sensor Replacement - Bank 1 Sensor 2

Removal Procedure

Caution: Refer to Oxygen Sensor Caution (Oxygen Sensor Caution).

Note: Remove oxygen sensors with the engine temperature above 48°C (120°F). Otherwise the oxygen sensors may be difficult to remove.

Note: A special anti-seize compound is used on the oxygen sensor threads. New service sensors should already have the compound applied to the threads. Coat the threads of a reused sensor with anti-seize compound P/N 5613695 or equivalent.




1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
2. Disconnect the heated oxygen sensor electrical connector.
3. Remove the rear oxygen sensor (3).

Installation Procedure





Caution: Refer to Fastener Caution (Fastener Caution).

1. Install the heated oxygen sensor (HO2S) and tighten to 41 Nm (30 lb ft).
2. Connect the heated oxygen sensor electrical connector.
Note: Ensure connectors are securely installed beneath harness heat shield to prevent connector damage.

3. Lower the vehicle.