Envoy 2WD V8-5.3L VIN M (2005)
Oxygen Sensor: Service and Repair
Heated Oxygen Sensor (HO2S) Replacement Bank 2 Sensor 2
HEATED OXYGEN SENSOR (HO2S) REPLACEMENT BANK 2 SENSOR 2
REMOVAL PROCEDURE
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Remove the connector position assurance (CPA) retainer.
NOTE: Refer to Heated Oxygen and Oxygen Sensor Notice in Service Precautions.
3. Disconnect the heated oxygen sensor (HO2S) electrical connector (1).
4. Remove the HO2S (2).
NOTE: Refer to Excessive Force and Oxygen Sensor Notice in Service Precautions.
INSTALLATION PROCEDURE