Impreza L Sport Wagon F4-2.2L SOHC (1999)
Evaporative Check Valve: Description and Operation
Fuel Cut Valve
On AWD model, the fuel cut valve is built onto the evaporation pipe of the fuel tank cap. The rising level of the fuel from the fuel tank causes the float to
move up and close the cap hole so that no fuel can enter during evaporation line.
