Fuel Pressure Relief Valve
WARNING: This page is about a different car, the 2002 Ford Econoline and 2002 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE . Remove air cleaner assembly and tubes. Remove fuel pressure relief valve cap. Remove fuel pressure relief valve from fuel injection supply manifold. To install, reverse the removal procedure. Check for leaks. Perform COMPRESSED NATURAL GAS LEAK TEST under FUEL SYSTEMS in SYSTEM & COMPONENT TESTING - EEC-V - NGV article.