Fuel System Pressure Release
WARNING:
Always relieve fuel pressure before disconnecting any component under fuel pressure. DO NOT allow fuel to contact engine or electrical components.
- Remove fuel tank cap. Using Fuel Pressure Gauge (T80L-9974-B), release pressure from system at pressure relief valve (Schrader valve) located on fuel injection manifold rail. Place fuel pressure gauge in a suitable container. Using gauge, release pressure from system.
- If fuel pressure gauge is not available, disconnect Inertia Fuel Shutoff (IFS) switch. See INERTIA FUEL SHUTOFF (IFS) SWITCH LOCATION table. Remove fuel cap to release fuel tank pressure. Crank engine for 15 seconds to release system pressure.
INERTIA FUEL SHUTOFF (IFS) SWITCH LOCATION
| Application | Location |
|---|---|
| Econoline & Pickup | Behind Right Side Of Instrument Panel |
| Excursion | Behind Right Kick Panel |
| Expedition & Navigator | Behind Right Side Of Instrument Panel |
| Explorer & Mountaineer | In Instrument Panel, Below Radio |
| Ranger | Behind Right Side Of Instrument Panel, Below Glove Box |
| Super Duty | Behind Right Kick Panel |
| Villager | Behind Left Side Of Instrument Panel |
| Windstar | Lower Left "A" Pillar, Under Instrument Panel |