K 1500 Truck 4WD V8-4.8L VIN V (2003)
Oxygen Sensor: Service and Repair
Bank 1 Sensor 1
Heated Oxygen Sensor (HO2S) Replacement Bank 1 Sensor 1
REMOVAL PROCEDURE
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. If necessary, unbolt the front propeller shaft from the front differential. Refer to Propeller Shaft Replacement - Front in Propeller Shaft.
3. Disconnect the connector position assurance (CPA) retainer.
NOTE: Refer to Heated Oxygen and Oxygen Sensor Notice in Service Precautions See: Service Precautions/Heated Oxygen and Oxygen Sensor
Notice
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4. Remove the heated oxygen sensor (HO2S) electrical connector from the fuel line clip.
5. If equipped with a 4.8L or 5.3L engine, disconnect the HO2S electrical connector (1).
6. If equipped with a 6.0L engine, disconnect the HO2S electrical connector (1).
