Legacy F6-3.0L (2005)
Oxygen Sensor: Service and Repair
Front Oxygen (A/F) Sensor
Front Oxygen (A/F) Sensor
REMOVAL
1. Set the vehicle on a lift.
2. Disconnect the ground cable from battery.
3. Lift-up the vehicle.
4. Disconnect the connector of front oxygen (A/F) sensor.
5. Apply spray-type lubricant to the threaded portion of front oxygen (A/F) sensor, and leave it for one minute or more.