Air Fuel Ratio (A/F) Sensor 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.

Disconnect the negative battery cable.
Disconnect the A/F sensor connector.
Remove the A/F sensor using the Special Service Tool.
Install in the reverse order of removal.

Fig 1: Locating A/F Sensor With Torque Specifications
Courtesy of MAZDA MOTORS CORP.