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 2.0, Mzr 2.5]
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 plug hole plate.. 4. Remove the ...

No.27 Fuel Refill Concerns [Mzr 2.0, Mzr 2.5]
27 FUEL REFILL CONCERNS DESCRIPTION Fuel tank does not fill smoothly. POSSIBLE CAUSE PCM DTC is stored Nonreturn valve malfunction Improper use of fuel ...

Headlight Auto Leveling System Initialization
CAUTION: If the headlight auto leveling initial setting is not stored correctly, the headlight auto leveling system may not operate normally. To store the initial setting correctly, perform the initial setting with the vehicle under the following conditions: No occupant ...