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:

Key Removed from Vehicle Warning Beep
Vehicles with advanced keyless function If the key is taken out of the vehicle while the ignition is not switched OFF and all the doors are closed, the beep which sounds outside of the vehicle will be heard 6 times, the beep which sounds inside the vehicle will be heard 6 times, and the KEY w ...

Fuel Line Pressure Inspection [Mzr 2.0, Mzr 2.5]
WARNING: Fuel line spills and leakage from the pressurized fuel system are dangerous. Fuel can ignite and cause serious injury or death and damage. To prevent this, complete the following inspection with the engine stopped. Fuel is very flammable liquid. If fuel spills or leaks ...

Rear Upper Arm Removal/Installation
1. When working on the right side of the vehicle, disconnect the canister vent (CV) solenoid valve from the rear crossmember. (MZR 2.0 (Except Mexico), SKYACTIV-G 2.0, MZR 2.3 DISI Turbo, MZR 2.5 (Except Mexico)) 2. Remove in the order indicated in the table. 3. Install in the reverse or ...