Heated Oxygen Sensor (HO2S)

HEATED OXYGEN SENSOR (HO2S)







Exploded View

Special Tool(s):

Special Tool(s)

Removal and Installation

1. WARNING: If equipped with fire suppression system, depower the system. For important safety warnings and procedures, refer to Fire Suppression System.

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

2. Disconnect the battery ground cable.







3. Disconnect the right side heated oxygen sensor (HO2S) electrical connector.







4. Disconnect the left side HO2S electrical connector.







5. Using the special tool, remove the RH or LH HO2S as necessary.
- To install, tighten to 41 Nm (30 lb-ft).

6. WARNING: If equipped with fire suppression system, repower the system. For important safety warnings and procedures, refer to Fire Suppression System.

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