Purge Control Solenoid Valve
To check purge control solenoid valve, remove hoses from charcoal canister. Attempt to blow through intake manifold port. Air should not pass. If air can be blown through solenoid valve, disconnect the solenoid valve connector and connect 12 volts and a ground to solenoid valve terminals. Blow through check valve, air should flow through valve. If not, replace valve. See Fig 1 .