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:

Ignition Coil Removal/Installation [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the plug hole plate.. 4. Remove in the order indicated in the table. 5. Install in the reverse order of removal. 1 Plug hole plate bracket 2 Connector ...

Engine Tune Up [Mzr 2.0, Mzr 2.5]
NOTE: If the accelerator pedal is depressed continuously for a specified time, the engine speed may decrease to the idle speed. This is due to the fuel cut control operation, which prevents overheating, and it does not indicate a malfunction. Engine Tune-up Preparation 1. Verify ...

Variable Swirl Shutter Valve Actuator Inspection [Mzr 2.3 Disi Turbo]
Operation Inspection 1. Remove the air hose.. 2. Disconnect the vacuum hose from the variable swirl control solenoid valve. 3. Connect a vacuum pump to the variable swirl shutter valve actuator. 4. Apply vacuum and verify that the rod moves. Vacuum kPa {mmHg, inHg ...