mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Heated Oxygen Sensor|Page 2305 > < Engine Controls - O2 Sensor Removal Precautions|Page 2302
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Oxygen Sensor: Service and Repair
Heated Oxygen Sensor

HEATED OXYGEN SENSOR (HO2S)

Removal and Installation

LH

1. Raise and support the vehicle.

2. Disconnect the heated oxygen sensor (HO2S) electrical connector.

NOTE:  If necessary, lubricate the HO2S with Penetrating and Lock Lubricant to aid in removal.

3. Using the special tool, remove the HO2S.

NOTE:  Apply a light coat of High Temperature Nickel Anti-Seize Lubricant to the threads of the HO2S to aid in installation.

4. To install, reverse the removal procedure.

RH

1. Disconnect the heated oxygen sensor (HO2S) electrical connector.
2. Raise and support the vehicle.

NOTE:  If necessary, lubricate the HO2S with Penetrating and Lock Lubricant to aid in removal.

Heated Oxygen Sensor|Page 2305 > < Engine Controls - O2 Sensor Removal Precautions|Page 2302