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:

Air Bag Module And Pre Tensioner Seat Belt Disposal Procedures
WARNING: A live (undeployed) air bag module or pre-tensioner seat belt may accidentally operate (deploy) when it is disposed of and cause serious injury. Always refer to the “AIR BAG MODULE AND PRE-TENSIONER SEAT BELT DEPLOYMENT PROCEDURES” and dispose of air bag modules and p ...

Camshaft Position (CMP) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
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 output signal will malfunction resulting from fluctuation in magnetic flux and cause a deterioration in engine control. ...

Fuse Replacement
Replacing the fuses on the vehicle's left side If the electrical system does not work, first inspect the fuses on the vehicle's left side. Make sure the ignition is switched off, and other switches are off. Open the fuse panel cover. Pull the fuse straight out with the fuse pul ...