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REMOVAL & INSTALLATION

Fig. 1: Detach the connector from the oxygen sensor

Fig. 2: A special socket is available to remove the oxygen sensor. The socket contains a slot that the wire slides out of

Fig. 3: Use the tool to loosen the sensor . . .

Fig. 4: . . . then remove the sensor from the exhaust manifold/pipe

Fig. 5: Inspect the oxygen sensor tip for abnormal deposits

  1. Disconnect the negative battery cable.
  2. Raise and support the vehicle safely.
  3. Label and disconnect the HO2S from the engine control wiring harness.

    NOTE: Lubricate the sensor with penetrating oil prior to removal.

  4. Remove the sensor using an oxygen sensor wrench or another suitable tool.

    To install:

  5. Install the sensor in the mounting boss and tighten to 27–33 ft. lbs. (37–45 Nm).
  6. Connect the engine control wiring harness to the sensor.
  7. Lower the vehicle.
  8. Connect the negative battery cable.

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