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:

Rear Tilt Motor Inspection
1. Remove the battery cover.. 2. Disconnect the negative battery cable and wait 1 min or more.. 3. Disconnect the rear tilt motor connector. 4. Apply battery positive voltage to the rear tilt motor terminals and inspect the rear tilt motor operation If not as specified, replace t ...

Mass Air Flow (MAF) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Visual Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Disconnect the MAF/IAT sensor connector. 4. Remove the MAF/IAT sensor.. 5. Visually inspect the MAF/IAT sensor for the following: Damage, cracks, soiling Rusted sensor terminal ...

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 ...