Canister Purge Solenoid Valve
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2002 Mazda Tribute, 2002 Mazda Protege5, 2002 Mazda Protege, 2002 Mazda Millenia, and 2002 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
This normally-closed solenoid valve, controls fuel vapor flow from the charcoal canister to the intake manifold. The solenoid is opened or closed by a signal from the PCM during various engine operating modes.