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:

Keyless Control Module Configuration
1. Connect the M-MDS (IDS) to DLC-2. 2. After the vehicle is identified, select the following items from the initialization screen of the IDS. Select “Module Programming”. 3. Then, select items from the screen menu in the following order. Select “Programmable Module Ins ...

Starting a Flooded Engine
If the engine fails to start, it may be flooded (excessive fuel in the engine). Follow this procedure: If the engine does not start within five seconds on the first try, wait ten seconds and try again. Make sure the parking brake is on. Depress the accelerator all the way and hold ...

Front Door Speaker Inspection
1. Disconnect the negative battery cable.. 2. Remove the inner garnish.. 3. Remove the front door trim.. 4. Remove the front door speaker.. 5. Verify the resistance between the front door speaker terminals. If not within the specification, replace the front door speaker. ...