Front Heated Oxygen Sensor (HO2S) Removal/Installation

FRONT HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [MZI-3.7]

HO2S (LH) Removal/Installation

1. Disconnect the negative battery cable.

2. Remove the engine cover. Service and Repair

3. Disconnect the HO2S (LH) connector.
NOTE:
- If necessary, lubricate the HO2S with Penetrating and Lock Lubricant loosen to aid in removal.

4. Remove the HO2S (LH) using the SST.






NOTE:
- Apply a light coat of anti-seize lubricant to the threads of the HO2S.

5. Install in the reverse order of removal.

HO2S (RH) Removal/Installation

1. Disconnect the negative battery cable.

2. Remove the following part for easier access.

- Remove the cowl panel. Cowl Panel Removal/Installation

3. Disconnect the HO2S (RH) connector.

NOTE:
- If necessary, lubricate the HO2S with Penetrating and Lock Lubricant loosen to aid in removal.

4. Remove the HO2S (RH) using the SST.






NOTE:
- Apply a light coat of anti-seize lubricant to the threads of the HO2S.

5. Install in the reverse order of removal.