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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 558 (Fuel System) >> Diagnosis And Testing >> Evaporative Emission System - 4.6L and 4.0L SOHC Late Build >> Principles of Operation >> Fuel Filler Pipe Check Valve

Fuel Filler Pipe Check Valve

WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

The fuel filler pipe check valve is an integral 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 or roll over conditions.

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