Heated Oxygen Sensor (HO2S)

NOTE: Two Heated Oxygen Sensors (HO2S) are used for the engine control system. They are located in the dual converter Y pipe.

EGO Sensor Wrench:

SPECIAL TOOL(S) REQUIRED

Syncro Positioning Tool:

REMOVAL
1. Disconnect battery ground cable.
2. Raise vehicle on hoist.
3. Disconnect heated oxygen sensors at wiring connector.
4. Remove heated oxygen sensors from dual converter Y pipe using Oxygen Sensor Wrench 303-476 (T94P-9472-A).

NOTE: If excessive force is needed to remove heated oxygen sensor lubricate with penetrating oil prior to removal.

INSTALLATION
1. Follow removal procedure in reverse order.
2. Tighten heated oxygen sensors to 37-45 Nm (28-33 lb-ft).