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:

Liftgate/Trunk Lid
WARNING Never allow a person to ride in the luggage compartment/trunk: Allowing a person to ride in the luggage compartment/trunk is dangerous. The person in the luggage compartment/trunk could be seriously injured or killed during sudden braking or a collision. D ...

Overheating
If the high engine coolant temperature warning light illuminates, the vehicle loses power, or you hear a loud knocking or pinging noise, the engine is probably too hot. WARNING Switch the ignition to off and make sure the fan is not running before attempting to work near the co ...

Oil Cooler Flushing [FS5 A EL]
NOTE: If the automatic transaxle is replaced, flush and inspect the oil cooler. When replacing the automatic transaxle, inspect the oil cooler together with flushing it using the following procedures, and with the oil cooler hose removed. 1. Disconnect the oil hose. 2. Set ...