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:

Sunroof Unit Removal/Installation
CAUTION: If the sunshade is forced close while the sunroof is open, the sunshade could be damaged. 1. Disconnect the negative battery cable.. 2. Remove the rain sensor cover. (Vehicles with auto light/wiper system). 3. Disconnect the rain sensor connector. (Vehicles with auto l ...

Fuel Injector Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Disconnect the fuel injector connector. 4. Inspect the resistance between fuel injector terminals A and B. Fuel injector resistance 11.4—12.6 ohms [20 °C {68 °F}] If ...

Ignition Switch Removal/Installation [Without Advanced Keyless Entry And Push Button Start System]
1. Disconnect the negative battery cable.. 2. Remove the column cover.. 3. Detach the tab. 4. Pull the pin in the direction of the arrow shown in the figure and release the lock. 5. Disconnect the ignition switch connector and key interlock solenoid connector. 6. Remove the ...