Mazda 3 Owners Manual: Maintenance and Care

Storage Compartments

WARNING Keep storage boxes closed when driving: Driving with the storage boxes open is dangerous. To reduce the possibility of injury in an accident or a sudden stop, keep the ...

Essential Information

Be extremely careful and prevent injury to yourself and others or damage to your vehicle when using this manual for inspection and maintenance. If you are unsure about any procedure it describes ...

Other materials:

Air Fuel Ratio (A/F) Sensor Inspection [Mzr 2.0, Mzr 2.5]
A/F Sensor Inspection 1. Connect the M-MDS to the DLC-2. 2. Switch the ignition to ON. 3. Warm up the engine to normal operating temperature. 4. Access the following PIDs using the M-MDS.. VSS (Vehicle speed) RPM (Engine speed) O2S11 (A/F sensor output current) ...

Valve Clearance Adjustment [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 plugs.. 7. Remove the ventilation hose. 8. Remove the oil level gauge. 9. Remove the cylinder h ...

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 ...