XJ (X350) V8-4.2L (2005)
Inertia Fuel Shutoff Switch: Description and Operation
VIN Range: G45704->G99999
Inertia Fuel Shutoff (IFS) Switch
The inertia fuel shutoff (IFS) switch is designed to cut power to the fuel pump in the event of an accident. It is located behind the left-hand cowl side trim
panel.