All Others
- Remove fuel cap to release fuel tank pressure. Remove relief valve cap. Relief valve is located on fuel supply manifold. Using Fuel Pressure Gauge (T80L-9974-B), release fuel pressure from relief valve (Schrader valve).
- If fuel pressure gauge is not available, disconnect electrical connector to IFS switch. For IFS switch location, see INERTIA FUEL SHUTOFF (IFS) SWITCH LOCATION table. Crank engine for 15 seconds to reduce system pressure. Turn ignition off. Reconnect IFS switch connector.
INERTIA FUEL SHUTOFF (IFS) SWITCH LOCATION
| Application | Location | |
|---|---|---|
| Escort & Tracer | ||
| Sedan | Right Side Of Trunk | |
| Wagon | Behind Access Door In Right | |
| Rear Cargo Area | ||
| Mark VIII | Left Front Of Trunk | |
| Mustang | Rear Center Of Trunk | |
| Probe | Right Side Of Trunk | |
| Sable & Taurus | ||
| Sedan | Left Side Of Trunk | |
| Wagon | Behind Access Door In | |
| Right Rear Cargo Area | ||
| All Others | In Trunk On Left Hinge Support Or Behind Trim Panel | |