Tercel Sedan 4-Door L4-1456cc 1.5L SOHC (3E) (1994)
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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.
PROCEDURE:
1. Disconnect oxygen sensor electrical connector.
2. Apply a suitable non-silicone 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.
