Heated Oxygen Sensor (HO2S) Replacement Bank 1 Sensor 2

HEATED OXYGEN SENSOR (HO2S) REPLACEMENT BANK 1 SENSOR 2

REMOVAL PROCEDURE

NOTE:
- Refer to Oxygen Sensor Notice in Service Precautions.
- Refer to Heated Oxygen Sensor (HO2S) Resistance Learn Reset Notice in Service Precautions.

IMPORTANT:
- Remove oxygen sensors (O2S) with the engine temperature above 48°C (120°F). Otherwise the O2S may be difficult to remove.
- A special anti-seize compound is used on the O2S 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 Vehicle Lifting.
2. Remove the heat shield.
3. Disconnect the heated oxygen sensor (HO2S) electrical connector.
4. Remove the HO2S.

INSTALLATION PROCEDURE




1. Install the HO2S.

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten the HO2S to 41 N.m (30 lb ft).

2. Connect the HO2S electrical connector.

IMPORTANT: Ensure connectors are securely installed beneath harness heat shield to prevent connector damage.

3. Install the heat shield.
4. Lower the vehicle and perform a code clear.