Lockoff Solenoid Valve (LPG)
WARNING: This page is about a different car, the 2002 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
The lockoff solenoid valve is similar to CNG solenoid tank valves in operation. See TANK SOLENOID VALVES . On LPG systems, lockoff solenoid valve is located near vaporizer and regulates fuel flow into vaporizer inlet.