Evaporative Shut Valve: Description and Operation

Evaporative Emission System

Evaporative Emission System - Duratec Engine:

Duratec Engine

Evaporative Emission System - Zetec Engine:

Zetec Engine

Principles of Operation

Fuel Filler Pipe Check Valve
The fuel filler pipe check valve is an intricate part of the fuel tank or the fuel filler pipe It is intended to prevent liquid fuel from re-entering the fuel filler pipe from the fuel tank on refueling.