F 150 Heritage 4WD Pickup V8-5.4L SOHC VIN Z Bi-fuel (2004)
Fuel Gauge Sender: Description and Operation
Bi-Fuel LPG Models
FUEL LEVEL FLOAT
A float-style fuel level sending unit is mounted in the alternative fuel tank. The compuvalve receives input from the fuel level float and sends a signal to
the base gasoline fuel gauge representing the level of liquid propane.
