Impreza 2.5 RS Sedan AWD F4-2.5L SOHC (2002)
CAUTION: Never apply anti-seize compound to protector of front oxygen (A/F) sensor.
2. Install the front oxygen (A/F) sensor.
Tightening Torque: .................................................................................................................................................... 21 Nm (2.1 kgf-m, 15.2 ft. lbs)
3. Lower the vehicle.
4. Connect the connector of front oxygen (A/F) Sensor.
5. Connect the battery ground cable.
