Fuel System Pressure Release
WARNING: This page is about a different variant/trim than selected.
- 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.
INERTIA FUEL SHUTOFF (IFS) SWITCH LOCATION
| Application | Location | |
|---|---|---|
| Sable & Taurus | ||
| Sedan | Left Side Of Trunk | |
| Wagon | Behind Access Door In Right Rear Cargo Area | |
| Cougar & Thunderbird | In Trunk On Left Hinge Support Or Behind Trim Panel | |