Swirl Control Valve: Actuator
Disconnect vacuum hose from actuator, located near flywheel end of intake manifold. Apply and release vacuum at actuator diaphragm. Replace actuator if rod does not move.
NOTE:
On some swirl control valve solenoids, port "C" may be a vent that is capped with a filter. Also, if solenoid does not respond as specified, perform test again, considering port "A" as port "B" and vice versa.