HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [MZR 2.0 DISI]

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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. Disconnect the negative battery cable.

2. Remove the floor under cover. (See FLOOR UNDER COVER REMOVAL/INSTALLATION.)

3. Disconnect the HO2S connector.

4. Remove in the order indicated in the table.

5. Install in the reverse order of removal.

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HO2S Removal Note

1. For easier access, remove the three-way catalytic converter (TWC) from the hanger rubber on the vehicle side.

2. Remove the 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.

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1	Wiring harness bracket (See Wiring Harness Bracket Installation Note.)
2	HO2S (See HO2S Removal Note.)