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:

Input/Turbine Speed Sensor Removal/Installation [FS5 A EL]
CAUTION: Always use a new bolt. If the removed input/turbine speed sensor installation bolt is reused, it may cause oil leakage. A sealant coating is applied to the input/turbine speed sensor installation bolt to prevent oil leakage from the installation bolt hole which passes ...

Interior Light Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the rain sensor cover. (Vehicles with auto light/wiper system). 3. Remove the following parts: a. Sunroof seaming welt (vehicles with sunroof) b. A-pillar trim. c. Front scuff plate. d. Rear scuff plate. e. B-pillar lower trim. f. ...

Air Bypass Valve Inspection [Mzr 2.3 Disi Turbo]
1. Remove the air bypass valve.. 2. Connect the vacuum pump to the vacuum ports of the air bypass valve. 3. Verify that the airflow is as indicated in the table. Vacuum (kPa {mmHg, inHg}) Valve operation condition Airflow between port A—B ...