HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [SKYACTIV-G 1.5, SKYACTIV-G 2.0, SKYACTIV-G 2.5]

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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.

Caution

•  Do not allow flammable objects such as the taping for bundling wiring harness to come into contact with the exhaust manifold and silencer.

Note

•  If penetrant lubricating spray penetrates the airflow hole of the HO2S, it could cause interference with the HO2S function.

•  When removing the HO2S, wrap a rag around the lower position so that penetrant lubricating spray does not get sprayed into the airflow hole.

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1.  Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 1.5, SKYACTIV-G 2.0, SKYACTIV-G 2.5].)

2.  Lift up the vehicle.

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

4.  Disconnect the HO2S connector.

5.  Remove the insulator and brace bar. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [SKYACTIV-G 1.5, SKYACTIV-G 2.0, SKYACTIV-G 2.5].)

6.  Remove the clip C from the body.

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7.  Remove the clip A and clip B from the catalytic converter.

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8.  Remove the HO2S using the SST.

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9.  Install in the reverse order of removal.