Heated Oxygen Sensor (HO2S)

Heated Oxygen Sensor (HO2S)









Removal and Installation

1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Jacking and Lifting Service and Repair.

2. Disconnect the RH Heated Oxygen Sensor (HO2S) electrical connector.





3. Disconnect the LH HO2S electrical connector.





4. NOTE: If necessary, lubricate the sensor threads with penetrating and lock lubricant to assist in removal.

Using the Exhaust Gas Oxygen Sensor Socket, remove the RH or LH HO2S as necessary.

- Calculate the correct torque wrench setting for the following torque. Refer to the Torque Wrench Adapter Formulas in the Appendix.

- To install, tighten to 40 Nm (30 lb-ft).





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