Fuel System Pressure Release
- Remove fuel tank cap. Connect Fuel Pressure Gauge (T80L-9974-B) to 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 |
|---|---|
| Aerostar | Below Right Side Of Instrument Panel, Behind Trim Panel |