Oxygen (O2S) Sensor Replacement

CAUTION:
- The Oxygen Sensor (O2S) uses a permanently attached pigtail and connector. This pigtail should not be removed from the O2S. Damage or removal of the pigtail or connector could affect proper operation of the O2S.
- Use care when handling the O2S. The in-line electrical connector and louvered end must be kept free of grease, dirt or other contaminants. Avoid using cleaning solvents of any type.
- The O2S may be difficult to remove when engine temperature is below 48°C (118°F). Excessive force may damage threads in exhaust manifold or exhaust pipe. If O2S is difficult to remove start engine and let it run until it reaches 48°C (118°F).

REMOVE OR DISCONNECT
1. Ignition "OFF."
2. O2S electrical connector.
3. Carefully back out O2S.

INSTALL OR CONNECT


NOTE: A special anti-seize compound is used on the sensor threads. The compound consists of a liquid graphite and glass beads. New or service sensors will already have the compound applied to the threads. If a sensor is removed from an engine and if for any reason it is to be reinstalled, the threads must have anti-seize compound applied before reinstallation.


1. Coat threads of O2S with anti-seize compound P/N-5613695 or equivalent if necessary.
2. O2S.

Tighten
Sensor to 41 Nm (30 lb. ft.)

3. O2S electrical connector.