1. Remove the charcoal canister.
2. Plug the atmosphere side port and purge solenoid valve side port of the charcoal canister.
3. Blow air into the charcoal canister from the fuel tank side port and verify that there is no air leakage.

Emission system
Evaporative gas check valve (one-way) inspection (l.h.d.)Mazda 6 Service Manual: Cleaning the Floor Mats
Rubber floor mats should be cleaned with mild soap and water only.
WARNING
Do not use rubber cleaners, such as tire cleaner or tire shine, when cleaning
rubber floor mats: Cleaning the rubber floor mats with rubber cleaning products
makes the floor mats slippery. This may cause an accident whe ...
Mazda 6 Service Manual: Reporting Safety Defects (U.S.A.)
If you believe that your vehicle has a defect which could cause a crash or could
cause injury or death, you should immediately inform the National Highway Traffic
Safety Administration (NHTSA) in addition to notifying Mazda Motor Corporation (Your
Mazda Importer/Distributor).
If NHTSA receive ...