Catch Tank Inspection

Remove the catch tank. (See PURGE SOLENOID VALVE REMOVAL/INSTALLATION .)
Plug the purge solenoid valve side into the catch tank.

Fig 1: Removing And Installing Purge Solenoid Valve
Courtesy of MAZDA
Inspect for air leakage when blowing air using your mouth into the charcoal canister side.

If there is air leakage, replace the catch tank. (See PURGE SOLENOID VALVE REMOVAL/INSTALLATION .)