F 150 Heritage 4WD Pickup V8-5.4L SOHC VIN Z Bi-fuel (2004)
Fuel Level Sensor: Description and Operation
FUEL LEVEL INPUT
The fuel level input (FLI) is a hard wire signal input to the PCM from the fuel pump (FP) module.
Refer to the description of the FLI in the On-Board Diagnostics II Monitors.
