Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

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Upstream O2 Sensor

REMOVAL






NOTE: The left side O2 sensor is shown. The right side is similar.

1. Disconnect the negative battery cable.
2. Remove the engine cover. Grasp both corners of the engine cover, and pull up firmly.
3. Disconnect the O2 sensor harness connector.
4. Remove the O2 sensor (1).

INSTALLATION




1. Apply anti-seize compound to the threaded portion of the O2 sensor.
2. Install the O2 sensor (1). Tighten to 50 N.m (37 ft. lbs.).
3. Connect the O2 sensor harness connector.
4. Install the engine cover. Align the engine cover retaining clips to the rubber mounts, and push down firmly to connect engine cover to rubber mounts.

NOTE: To ease the installation of the engine cover, apply a small amount of lubricant to the engine cover rubber mounts.

5. Connect the negative battery cable.