Pressure Control Valve Inspection

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

Remove the pressure control valve assembly. (See FUEL TANK REMOVAL/INSTALLATION .)
CAUTION:
- Do not apply a pressure 36 kPa {0.37 kgf/cm² , 5.2 psi} or more. Doing so will damage the pressure control valve and evaporative hose.
Apply a pressure of 36 kPa {0.37 kgf/cm 2, 5.2 psi} to port A.

Fig 1: Applying Pressure To Port A
Courtesy of MAZDA MOTORS CORP.
Verify that there is airflow from port B.
- If there is no airflow, replace the pressure control valve assembly. (See FUEL TANK REMOVAL/INSTALLATION .)