Resistance Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Disconnect the fuel injector connector.
4. Inspect the resistance between fuel injector terminals A and B.

11.4—12.6 ohms [20 °C {68 °F}]
If not within the specification, replace the fuel injector..
Fuel Filter (High Pressure) Removal/Installation [Mzr 2.0, Mzr 2.5]
Fuel Injector Removal/Installation [Mzr 2.0, Mzr 2.5]Front Fog Light Removal/Installation
Except Mazdaspeed3
1. Disconnect the negative battery cable..
2. Remove the front bumper..
3. Pull the wiring harness from the hook in the direction of the arrow shown
in the figure and remove it.
4. Disconnect the connector.
5. Pull the wiring harness in the direction of the arrow (2 ...
Positive Crankcase Ventilation (PCV) Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection
1. Disconnect the section (A) of the ventilation hose shown in the figure.
2. Start the engine and verify that vacuum is applied to the end of the disconnected
ventilation hose while the engine is idling.
NOTE:
Because it is difficult to directly inspect the PC ...
Aerodynamic Under Cover No.2 Removal/Installation
Except SKYACTIV-G 2.0
1. Lift up the vehicle.
2. Remove the fasteners and bolts.
3. Move the aerodynamic under cover No.2 in the direction of the arrow shown
in the figure and remove it.
CAUTION:
Be careful not to damage the aerodynamic under cover No.2 during removal.
4. ...