Heated Oxygen Sensor (Ho2S) Removal/Installation

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.

1. Disconnect the negative battery cable.
2. Remove the air cleaner cover. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
3. Disconnect the HO2S connector.
4. Remove the HO2S using the SST.
5. Install in the reverse order of removal.

Fig 1: Removing HO2S Using SST (49 L018 001) With Torque Specifications

Courtesy of MAZDA MOTORS CORP.