Heated Oxygen Sensor (HO2S)

Heated Oxygen Sensor (HO2S)









Removal and Installation

1. WARNING: Before servicing a vehicle equipped with a fire suppression system, depower the system by following the procedure in Fire Suppression System. Failure to follow the instructions may result in serious personal injury. Procedures

With the vehicle in NEUTRAL, position it on a hoist.

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

3. 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 HO2S.

- Calculate the correct torque wrench setting for the following torque.

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





4. WARNING: If the vehicle is equipped with a fire suppression system, repower the system. For important safety warnings and procedures, refer to Fire Suppression System. Failure to follow these instructions may result in serious personal injury. Procedures

To install, reverse the removal procedure. If equipped with a fire suppression system, repower the system.
- Apply a light coat of anti-seize lubricant to the threads of the HO2S.