Downstream

Special Tools Desired

REMOVAL

WARNING: THE NORMAL OPERATING TEMPERATURE OF THE EXHAUST SYSTEM IS VERY HIGH. NEVER ATTEMPT TO SERVICE ANY PART OF THE SYSTEM UNTIL IT HAS COOLED. BE ESPECIALLY CAREFUL WHEN WORKING AROUND THE THREE WAY CATALYTIC CONVERTER. THE TEMPERATURE OF THE THREE WAY CATALYTIC CONVERTER RISES TO A HIGH LEVEL AFTER ONLY A FEW MINUTES OF ENGINE OPERATION.

1. Turn the ignition switch OFF.
2. Raise and support the vehicle.







3. Remove the Heated Oxygen Sensor (HO2S).
1. Disconnect the connector.
2. Use the Oxygen Sensor Wrench to remove the heated oxygen sensor.







INSTALLATION
1. Follow the removal procedure in reverse order.