Mazda 3 Service Manual: Exhaust & Emissions

Valve Clearance Inspection [Mzr 2.0, Mzr 2.5]

1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the plug hole plate.. 4. Disconnect the wiring harness. 5. Remove the ignition coils.. 6. Remove the spark ...

Exhaust System Inspection [Mzr 2.0, Mzr 2.5]

1. Start the engine and inspect each exhaust system component for exhaust gas leakage. If there is leakage, repair or replace the appropriate component.. ...

Other materials:

Immobilizer System
The immobilizer system allows the engine to start only with a key the system recognizes. If someone attempts to start the engine with an unrecognized key, the engine will not start, thereby helping to prevent vehicle theft. If you have a problem with the immobilizer system or the key, co ...

Parking Brake Switch Inspection
1. Remove the upper panel.. 2. Disconnect the parking brake switch connector. 3. Verify that the continuity is as indicated in the table. If not as indicated in the table, replace the parking brake lever. ...

Variable Tumble Shutter Valve Actuator Inspection [Mzr 2.0, Mzr 2.5]
Operation Inspection 1. Remove the air hose.. 2. Disconnect the vacuum hose from the variable tumble shutter valve actuator. 3. Connect a vacuum pump to the variable tumble shutter valve actuator. NOTE: Covered with a hood, the rod of the variable tumble shutter valve actuator ...