Mazda 3 Service Manual: Valvetrain, Cylinder Head

Crankshaft Position (CKP) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]

Removal CAUTION: When foreign material such as an iron chip is on the CKP sensor, it can cause abnormal output from the sensor because of flux turbulence and adversely affect the engine ...

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:

Trunk Lid Removal/Installation
WARNING: Removing the trunk lid stay damper without supporting the trunk lid can be dangerous. The trunk lid may fall and injure you. Be sure to open the trunk lid completely and support it securely before removing the trunk lid stay damper. 1. Disconnect the negative battery cab ...

Intermediate Sensor Inspection [FS5 A EL]
On-Vehicle Inspection 1. Inspect the power supply circuit for the intermediate sensor. a. Set the battery component (ex: battery, battery tray and PCM component) out of the way. b. Disconnect the intermediate sensor connector. c. Switch the ignition to ON (engine off). d. Measure the ...

Valve Clearance Adjustment [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover.. 2. Disconnect the negative battery cable. 3. Remove the plug hole plate.. 4. Disconnect the wiring harness. 5. Remove the ignition coils.. 6. Remove the spark plugs.. 7. Remove the ventilation hose. 8. Remove the oil level gauge. 9. Remove the cylinder h ...