Lucerne V8-4.6L (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: 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 oxygen sensor wiring harness heat shield. Refer to Oxygen Sensor Wiring Harness Heat Shield Replacement (See: Engine, Cooling
and Exhaust/Exhaust System/Heat Shield/Service and Repair).
2. Disconnect the engine harness electrical connector from the heated oxygen sensor (HO2S).
