F 150 Heritage 4WD Pickup V8-5.4L SOHC VIN Z Bi-fuel (2004)
Inertia Fuel Shutoff Switch: Service Precautions
WARNING: If you smell natural gas at any time other than during fueling, do not reset the IFS switch.
Inertia Fuel Shutoff Switch: Service Precautions
WARNING: If you smell natural gas at any time other than during fueling, do not reset the IFS switch.