Sierra 2500 Denali 2WD V8-6.0L (2011)
3. Connect the HO2S electrical connector (3) to the engine wiring harness electrical connector (4).
4. Install the CPA retainer (8).
5. Install the HO2S electrical connector rosebud clip to the engine wiring harness clip.
6. Lower the vehicle.
Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (1500 Series)
Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (1500 Series)
Removal Procedure
Caution: Refer to Heated Oxygen and Oxygen Sensor Caution (See: Service Precautions/Heated Oxygen and Oxygen Sensor Caution).
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
2. Remove the connector position assurance (CPA) retainer (1).
3. Disconnect the HO2S electrical connector from the engine wiring harness electrical connector (3).
