Oxygen Sensor: Service and Repair

HEATED OXYGEN SENSOR (HO2S)

Socket, Exhaust Gas Oxygen Sensor:

Special Tool(s)







Removal and Installation
1. With the vehicle in NEUTRAL, position it on a hoist.
2. Disconnect the battery ground cable.
3. Disconnect the heated oxygen sensor (HO2S) electrical connector.







4. NOTE: If necessary, lubricate the HO2S with penetrating and lock lubricant to aid in removal.

Using the special tool, remove the HO2S.
- To install, tighten to 46 Nm (34 lb-ft).

5. To install, reverse the removal procedure.
- Apply a light coat of anti-seize lubricant to the threads of the (HO2S).