FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Heated Oxygen Sensor (HO2S)

HEATED OXYGEN SENSOR (HO2S)







Exploded View


Socket, Exhaust Gas Oxygen Sensor:






Special Tool(s)

Removal and Installation
1. With vehicle in NEUTRAL, position it on a hoist.
2. Disconnect the battery ground cable.
3. Disconnect the heated oxygen sensor (HO2S) electrical connector.







4. NOTE: If necessary, lubricate the HO2S with lock lubricant to aid in removal.

Remove the HO2S from the exhaust manifold using the special tool and discard.
- To install, tighten to 48 Nm (35 lb-ft).

5. NOTE: Do not reuse HO2S. If removed, a new sensor must be installed.

To install, reverse the removal procedure.
- Apply a light coat of anti-seize lubricant to the threads of the HO2S.