Canister Purge (CANP) Solenoid Valve
WARNING: This page is about a different car, the 1995 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
Normally closed solenoid valve controls the flow of fuel vapors from canister to intake manifold. When engine is shut off, vapors from fuel tank flow into canister. After engine is started, CANP solenoid regulates fuel vapor flow by means of manifold vacuum and duty cycle signal from PCM.