Mazda 3 manuals

Mazda 3 Service Manual: Air Fuel Ratio (A/F) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]

Mazda 3 Service Manual / Engine / Control / Sensors, Switches, Relays / Air Fuel Ratio (A/F) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]

WARNING:

1. Remove the battery cover..

2. Disconnect the negative battery cable..

3. Remove the plug hole plate..

4. Remove the air cleaner assembly. (MZR 2.5).

5. Disconnect the A/F sensor connector.

6. Remove the A/F sensor using the SST

.

MZR 2.0


MZR 2.5


7. Install in the reverse order of removal.

Air Fuel Ratio (A/F) Sensor Inspection [Mzr 2.0, Mzr 2.5]
A/F Sensor Inspection 1. Connect the M-MDS to the DLC-2. 2. Switch the ignition to ON. 3. Warm up the engine to normal operating temperature. 4. Access the following PIDs using the M-MDS.. ...

Camshaft Position (CMP) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Visual Inspection CAUTION: When replacing the CMP sensor, make sure there is no foreign material on it such as metal shavings. If it is installed with foreign material, the sensor outpu ...

Other materials:

Seat Belt Inspection
Belt 1. Verify that the belt is installed properly with no twists or kinks. 2. Verify that there is no damage to the seat belt and no deformation of the metal fittings. If there is any malfunction, replace the seat belt. ELR Except 5HB (rear center seat belt) 1. Verify tha ...

Locking Lug Nuts
If your vehicle has Mazda optional antitheft wheel lug nuts, one on each wheel will lock the tires and you must use a special key to unlock them. This key will attach to the lug wrench. Register them with the lock manufacturer by filling out the card provided in the glove compartment and ma ...

Lights-On Reminder
The lights-on reminder is operable when the time setting *1 of the auto headlight off function is off. If lights are on and the ignition is switched to ACC or the ignition is switched off, a continuous beep sound will be heard when the driver's door is opened. *1 If the light switch is le ...

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