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Heated Oxygen Sensor (HO2S) Removal/Installation




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

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.

HO2S (LH) Removal/Installation

1. Disconnect the negative battery cable. Removal and Replacement

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

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






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

4. Install in the reverse order of removal.

HO2S (RH) Removal/Installation

1. Disconnect the negative battery cable. Removal and Replacement

2. Remove the cowl panel for easier access. Cowl Panel Removal/Installation

3. Disconnect the HO2S (RH) connector.
NOTE:
- If necessary, lubricate the HO2S (RH) 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.

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