Air Fuel Ratio (A/F) Sensor Removal/Installation: Notes

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.

CAUTION:

Do not allow flammable objects such as the taping for bundling wiring harness to come into contact with the exhaust manifold and silencer.

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Disconnect the A/F sensor connector.

Fig 1: Air Fuel Ratio (A/F) Sensor With Torque Specification
Courtesy of MAZDA MOTORS CORP.
Remove the clip from the bracket.
Push out the wiring harness in the direction of the arrows shown in the figure, and remove the wiring harness from the wire clip A and B. (See ASSEMBLY OF WIRING HARNESS TO WIRE CLIP NOTE .)
Remove the A/F sensor using the SST.
Install in the reverse order of removal.