1. Remove the air filter.
2. Inspect the air filter.
Note

Air filter removal/installation
A/c unit removal/installationMazda 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 ...
Mazda 6 Service Manual: Vehicle Loading
WARNING
Do not tow a trailer with this vehicle: Towing a trailer with this
vehicle is dangerous because it has not been designed to tow a trailer and doing
so will affect the drive system which could result in vehicle damage.
This section will guide you in the proper loading of your vehicle, t ...