ION L4-2.2L VIN F (2004)
Oxygen Sensor: Service and Repair
Heated Oxygen Sensor (HO2S) 2 Replacement
HEATED OXYGEN SENSOR (HO2S) 2 REPLACEMENT
TOOLS REQUIRED
J 39194-C Oxygen Sensor Wrench
REMOVAL PROCEDURE
1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Remove the wheel drive shaft heat shield.
3. Note the routing of the HO2S electrical harness.
4. Disconnect the heated oxygen sensor (HO2S) electrical connector (2), in the engine compartment.
5. Carefully bend the edge of the channel on the LH side of the exhaust heat shield outboard, just enough to release the HO2S electrical harness (1).
