Air Filter Inspection

WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Remove the air filter. (See AIR FILTER REMOVAL/INSTALLATION .)
Blow from port A and verify that there is airflow from port B.
- If not as specified, replace the air filter.
Blow from port B and verify that there is airflow form port A.
- If not as specified, replace the air filter. (See AIR FILTER REMOVAL/INSTALLATION .)
  
  Fig 1: Inspecting Air Filter
  Courtesy of MAZDA MOTORS CORP.