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.

Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [LF, L5] .)
Disconnect the negative battery cable.
Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
Remove the air cleaner assembly. (L5) (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
Disconnect the A/F sensor connector.
Remove the A/F sensor using the SST.

Fig 1: Air Fuel Ratio (A/F) Sensor Replacement Components With Torque Specifications - LF

Courtesy of MAZDA MOTORS CORP.

Fig 2: Air Fuel Ratio (A/F) Sensor Replacement Components With Torque Specifications - L5

Courtesy of MAZDA MOTORS CORP.

Install in the reverse order of removal.