Lucerne V8-4.6L (2008)
Oxygen Sensor: Service and Repair
Heated Oxygen Sensor Replacement - Bank 2 Sensor 1
Heated Oxygen Sensor Replacement - Bank 2 Sensor 1
Removal Procedure
Notice: Handle the oxygen sensors carefully in order to prevent damage to the component. Keep the electrical connector and the exhaust inlet end free
of contaminants. Do not use cleaning solvents on the sensor. Do not drop or mishandle the sensor.
Notice: Refer to Heated Oxygen Sensor Resistance Learn Reset Notice (See: Service Precautions/Heated Oxygen Sensor Resistance Learn Reset
Notice).
Important: Remove the heated oxygen sensors (HO2S) with the engine temperature above 48°C (120°F). Otherwise the HO2S may be difficult
to remove.
1. Remove the air deflector. Refer to Front Air Deflector Replacement (See: Body and Frame/Spoilers, Flaps, and Air Dams/Air Dam/Service and
Repair/Front Air Deflector Replacement).
2. Remove the connector position assurance (CPA) retainer.
3. Disconnect the engine harness electrical connector (3) from the heated oxygen sensor (HO2S).
4. Remove the HO2S clip (2) from the engine bracket.
