Sierra 1500 2WD V6-4.3L (2008)
Oxygen Sensor: Service and Repair
Heated Oxygen Sensor Replacement - Bank 1 Sensor 2
Heated Oxygen Sensor Replacement - Bank 1 Sensor 2
Removal Procedure
Notice: Refer to Heated Oxygen and Oxygen Sensor Notice.
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Disconnect the connector position assurance (CPA) retainer.
3. Disconnect the engine wiring harness electrical connector (1) from the HO2S pigtail electrical connector.
4. Remove the HO2S pigtail electrical connector clip (2) from the frame.
5. Remove the HO2S (4).
