Check Valve (Intake-Air System) Inspection [H3T]

Verify that there is airflow through port B when pressure is applied from port A.

Courtesy of MAZDA MOTORS CORP.

COMPONENT OPERATIONS

Component No.	Refer to
1	Port B
2	Port A

Verify that there is no airflow through port A when pressure is applied from port B.
- If there is airflow, replace the check valve. (See CHECK VALVE (INTAKE-AIR SYSTEM) REMOVAL/INSTALLATION [H3T] ).