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:

Cowl Panel Removal/Installation
1. Disconnect th negative battery cable.. 2. Remove the windshield wiper arm and blade.. 3. Remove the front fender molding.. 4. Remove the cowl grille.. 5. Remove the washer hose grommet from the cowl panel and disconnect the front washer hose. 6. Remove the windshield wiper motor.. 7 ...

Schedule 2
U.S.A. (severe driving conditions) and Puerto Rico residents Chart symbols: I: Inspect: Inspect and clean, repair, adjust, fill up, or replace if necessary. R: Replace L : Lubricate T: Tighten Remarks: *1 Engine oil flexible maintenance is available for U.S.A. and Puerto Rico resi ...

Heated Oxygen Sensor (HO2 S) Inspection [Mzr 2.0, Mzr 2.5]
HO2S Inspection 1. Connect the M-MDS to the DLC-2. 2. Switch the ignition to ON. 3. Warm up the engine to normal operating temperature. 4. Access the following PIDs using the M-MDS.. VSS (Vehicle speed) RPM (Engine speed) O2S12 (HO2S output voltage) 5. Drive ...