Mazda 6 Service Manual: No.20 fuel odor (in engine compartment)

No.19 exhaust smoke

No.21 engine noise

Other materials:

Mazda 6 Service Manual: Front door speaker removal/installation
1. Disconnect the negative battery cable. 2. Remove the front door trim. 3. Remove in the order indicated in the table. 4. Install in the reverse order of removal. Front Door Speaker Installation Note Attach the speaker with the wiring harness placed in the groove of the door unit panel. ...

Mazda 6 Service Manual: Engine control system operation inspection
Main Relay Operation Inspection Verify that the main relay clicks when the ignition switch is turned to ON position and off. If there is no operation sound, inspect the following. - Main relay (See RELAY INSPECTION.) - Harness and connector between ignition switch and main relay termi ...