Flow Management Valve: Description
WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
The flow management valve is a part of the On-Board Refueling Vapor Recovery (ORVR) system. This plastic valve is placed in-line between the fuel tank and the EVAP canister. It is located on the top of the fueltank ( Figure ).