Relieving Fuel Pressure
WARNING: This page is about a different car, the 2003 Ford RV Cutaway, 2003 Ford Econoline, 2003 Ford E550 Super Duty, 2003 Ford E450 Super Duty, and 2003 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Place suitable drain pan under fuel filter/water separator drain hose. Open drain valve on fuel filter/water separator and allow fuel to drain into container. When filter is drained, close drain valve.