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:

Drive Belt Removal/Installation [Mzr 2.3 Disi Turbo]
1. Remove the aerodynamic under cover No.2 and splash shield as a single unit.. 2. Rotate the drive belt auto tensioner in the direction shown in the figure and remove the drive belt. 3. Install the drive belt. 4. Verify that the drive belt auto tensioner indicator mark does not exceed ...

Fuel Gauge Sender Unit Inspection
MZR 2.3 DISI Turbo, SKYACTIV-G 2.0 NOTE: The fuel gauge sender unit is integrated with the fuel pump unit. 1. Disconnect the negative battery cable.. 2. Remove the rear seat cushion.. 3. Remove the fuel pump unit.. 4. Verify that the resistance between terminals A and C of the f ...

Vehicle Engine Control Unit Reset Procedure
NOTE This procedure is intended for vehicles with the engine oil flexible maintenance setting selected. After replacing the engine oil, have a repair shop such as an Authorized Mazda Dealer perform the initialization (engine oil data resetting) of the recorded value. If the value recorded ...