AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION [MZI-3.7]

id0140c3899700

  Warning
  • A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust system.

A/F Sensor (LH) Removal/Installation

1. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZI-3.7].)

2. Remove the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION [MZI-3.7].)

3. Disconnect the A/F sensor (LH) connector.

  Note
  • If necessary, lubricate the A/F sensor with Penetrating and Lock Lubricant loosen to aid in removal.

4. Remove the A/F sensor (LH) using the SST.

ac9wzw00001752

  Note
  • Apply a light coat of anti-seize lubricant to the threads of the A/F sensor.

5. Install in the reverse order of removal.

A/F Sensor (RH) Removal/Installation

1. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZI-3.7].)

2. Remove the cowl panel for easier access. (See COWL PANEL REMOVAL/INSTALLATION.)

3. Disconnect the A/F sensor (RH) connector.

  Note
  • If necessary, lubricate the A/F sensor with Penetrating and Lock Lubricant loosen to aid in removal.

4. Remove the A/F sensor (RH) using the SST.

ac9wzw00001753

  Note
  • Apply a light coat of anti-seize lubricant to the threads of the A/F sensor.

5. Install in the reverse order of removal.