Front Oxygen (A/F) Sensor - Subaru forester 2001 Service Manual

Fuel Injection (Fuel Systems)

15. Front Oxygen (A/F) Sensor

S185642
A: REMOVAL
S185642A18
1) Disconnect battery ground cable.
2) Disconnect connector from front oxygen (A/F)
sensor.
3) Remove harness secured by clip (A) from the
bracket (B).
4) Remove front right side wheel.
5) Lift-up the vehicle.
FRONT OXYGEN (A/F) SENSOR
G6M0095
S2M2252
S2M2253A
FU(DOHC TURBO)-42
6) Remove service hole cover.
7) Apply SUBARU CRC or its equivalent to
threaded portion of front oxygen (A/F) sensor, and
leave it for one minute or more.
SUBARU CRC (Part No. 004301003)
8) Remove front oxygen (A/F) sensor.
CAUTION:
When removing the oxygen (A/F) sensor, wait
until exhaust pipe cools, otherwise it will dam-
age exhaust pipe.
EN0832
EN0833