Fuel System Pressure Release
WARNING:
Before performing any fuel system related procedure, read and follow fuel system safety precautions. See FUEL SYSTEM SAFETY PRECAUTIONS .
NOTE:
On some vehicles, the fuel supply manifold Schrader valve may have been eliminated. If vehicle does not have a Schrader valve, the fuel system pressure release procedure has been revised. See TSB Ford 02-23-3, dated 11/23/2002 for revised fuel pressure release procedure.
- Remove fuel filler cap to release fuel tank pressure. Remove relief valve (Schrader valve) cap. Relief valve is located on fuel supply manifold. Using Fuel Pressure Gauge (T80L-9974-B), release fuel pressure from relief valve.
- If fuel pressure gauge is not available, disconnect Inertia Fuel Shutoff (IFS) switch harness connector, located in trunk behind left luggage compartment lining. Crank engine for 15 seconds to reduce system pressure. Turn ignition switch to OFF position. Reconnect IFS switch harness connector.