Oxygen Sensor: Service and Repair

AIR FUEL RATIO (A/F) SENSOR, HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [LF, L3]

WARNING:
- A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust system.

1. Remove the battery cover.

2. Disconnect the negative battery cable.

3. Remove the plug hole plate. Service and Repair

4. Disconnect the A/F sensor or HO2S connector.

5. Remove in the order indicated in the table.
California emission regulation applicable model










Except for California emission regulation applicable model










A/F sensor, HO2S Removal Note

1. Remove the A/F sensor or HO2S using the SST.






Wiring Harness Bracket Installation Note

NOTE:
- There might be no pin. If there is no pin, lock the wiring harness bracket against rotation and tighten the nut.