Inertia Fuel Shutoff (Ifs) Switch
WARNING:
Do not reset IFS switch until fuel system has been inspected for leaks and repaired if necessary.
- If IFS switch is tripped, engine cannot be restarted until switch is manually reset. To reset IFS switch, depress switch button. For IFS switch location, see INERTIA FUEL SHUTOFF (IFS) SWITCH LOCATION table.
- To test IFS switch, turn ignition off. Remove IFS switch. Shake IFS switch to force it into tripped position (switch open). Check continuity between appropriate IFS switch terminals. See appropriate article:
- For Grand Marquis, see WIRING DIAGRAMS .
- For Town Car, see WIRING DIAGRAMS .
Continuity should not exist. Reset switch and ensure continuity exists between appropriate terminals.
INERTIA FUEL SHUTOFF (IFS) SWITCH LOCATION
| Application | Location |
|---|---|
| Grand Marquis Town Car | In Trunk On Left Hinge Support Or Behind Trim Panel |