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:

Tire Rotation
To equalize tread wear, rotate the tires every 12,000 km (7,500 miles) at the latest or sooner if irregular wear develops. Mazda recommends to rotate every 8,000 km (5,000 miles) to help increase tire life and distribute wear more evenly. Inspect the tires for uneven wear and damage. Abno ...

PID/Data Monitor Inspection [Standard Deployment Control System]
1. Connect the M-MDS (IDS) to the DLC-2. 2. After the vehicle is identified, select the following items from the initialization screen of the IDS. a. Select “DataLogger”. b. Select “Modules”. c. Select “RCM”. 3. Select the applicable PID from the PID table. 4. Verify the PID data a ...

Spark Plug Removal/Installation [Mzr 2.0, Mzr 2.5]
CAUTION: If a spark plug that is not as specified is installed, engine performance will be deteriorated. Install only the specified spark plug when replacing. 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the plug hole plate.. 4. Remove the ...