Scoupe L4-1468cc 1.5L SOHC (8 VALVE) (1991)
Evaporative Check Valve: Description and Operation
Overfill Limiter (Two Way Valve)
The overfill limiter, consists of a pressure valve and a vacuum valve. The pressure valve is designed to open when the fuel tank internal pressure has
increased over normal pressure and the vacuum valve opens when a vacuum has been produced in the tank.