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 Vehicle Jacking and Lifting.

2. If the RH Heated Oxygen Sensor (HO2S) is being serviced, remove the 2 bolts and position the heat shield aside.

3. Disconnect the HO2S electrical connector.

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

Using the Exhaust Gas Oxygen Sensor Socket, remove the HO2S.





Installation

1. Apply a light coat of nickel anti-seize lubricant to the threads of the HO2S.

2. Using the Exhaust Gas Oxygen Sensor Socket, install the HO2S.
- Calculate the correct torque wrench setting for the following torque.

- Using the Exhaust Gas Oxygen Sensor Socket, tighten to 41 Nm (30 lb-ft).





3. Connect the HO2S electrical connector.

4. If the RH HO2S is being serviced, position the heat shield and install the 2 bolts.
- Tighten to 20 Nm (177 lb-in).