Tercel Sedan 4-Door L4-1456cc 1.5L SOHC (3E-E) (1992)
Oxygen Sensor: Service and Repair
NOTE: Do not use excessive force to remove the oxygen sensor, especially when the exhaust system is cold. Damage to the pipe may result.
1.
Disconnect oxygen sensor electrical connector.
2.
Apply a suitable penetrating oil the the hold-down nuts and allow to stand.
3.
Loosen and remove mounting nuts.
4.
Apply anti-seize compound to mounting studs.
5.
Install new sensor and nuts.
6.
Reconnect electrical connector.