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:

Rear Spoiler Removal/Installation
4SD 1. Remove the trunk lid trim.. 2. Remove the nuts. 3. While cutting the double-sided adhesive tape using a flathead screwdriver or a razor, separate the rear spoiler from the trunk lid. WARNING: Using a razor with bare hands can cause injury. Always wear gloves when usin ...

Keyless Control Module Removal/Installation
1. If the keyless control module is replaced, always perform the following procedure. Vehicles with immobilizer system Keyless Control Module Configuration. Immobilizer System-related Parts Programming [No.4 Programming Procedure Due to Keyless Control Module Rep ...

Variable Intake Air Solenoid Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the variable intake air solenoid valve.. 4. Inspect airflow between the ports under the following conditions. If not as specified, replace the variable intake air solenoid val ...