Heated Oxygen Sensor (HO2S)

Heated Oxygen Sensor (HO2S)









Removal

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 Heated Oxygen Sensor (HO2S) electrical connector.

3. Using the Exhaust Gas Oxygen Sensor Socket, remove the HO2S.
- Apply penetrating lubricant to the HO2S to assist in removal.





Installation

1. Install the HO2S.
- Apply a light coat of high temperature nickel anti-seize lubricant to the HO2S threads prior to installation.

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

- Using the Exhaust Gas Oxygen Sensor Socket, tighten to 46 Nm (34 lb-ft).





2. Connect the HO2S electrical connector.