FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Heated Oxygen Sensor (HO2S)

HEATED OXYGEN SENSOR (HO2S)







Exploded View


Special Tool(s):






Special Tool(s)

Removal and Installation

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

Both sensors
2. Disconnect the battery ground cable.
3. Disconnect the heated oxygen sensor (HO2S) electrical connector.







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

Using the special tool, remove the HO2S.
- To install, tighten to 48 Nm (35 lb-ft).

5. NOTE: Apply a light coat of anti-seize lubricant to the threads of the HO2S.

To install, reverse the removal procedure.