Fuel Pressure Regulator: Testing and Inspection

1. Remove pressure regulator control valve.
2. Connect vacuum hose to side port of valve.
3. Blow air through hose and ensure it exits through bottom port.
4. Apply battery power and ground solenoid valve with jumper wires.
5. Blow air through hose and ensure it exits through air filter on valve.
6. If valve does not work as described in steps 3 and 5, replace valve.