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:

Spark Plug Removal/Installation [Mzr 2.3 Disi Turbo]
CAUTION: If a spark plug that is not as specified is installed, engine performance will be deteriorated. Install only the specified spark plug when replacing. 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the charge air cooler.. 4. Remove t ...

Parking/Front Side Marker/Front Turn Light Bulb Removal/Installation
1. Disconnect the negative battery cable.. 2. Slightly bend back the front mudguard.. 3. Rotate the parking/front side marker/front turn light socket in the direction of the arrow shown in the figure. 4. Remove the parking/front side marker/front turn light bulb. 5. Install in the ...

Starter Interlock Switch Inspection [Mzr 2.0, Mzr 2.5]
CAUTION: Do not reuse the starter interlock switch if it is removed from the vehicle even once. Replace with a new starter interlock switch when installing. 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Disconnect the starter interlock switch connec ...