Eclipse L4-1795cc 1.8L SOHC (1990)
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.
