P0463 FORD Fuel Level Sensor A Circuit High

Possible causes
– Faulty fuel level sensor
– Fuel level sensor harness is open or shorted
– Fuel level sensor circuit poor electrical connection
When is the code detected?
An excessively high voltage is sent from the sensor is sent to Engine Control Module (ECM).
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Incorrect fuel level reading
P0463 FORD Description
The fuel level sensor is mounted in the fuel level sensor unit. The sensor detects a fuel level in the fuel tank and transmits a signal to the Engine Control Module (ECM). The fuel level sensor consists of two parts, one is mechanical float and the other side is variable resistor. The fuel level sensor output voltage changes depending on the movement of the fuel mechanical float.
FORD Technical Service Bulletins for P0463 code
2005 FORD MUSTANG FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM
2006 FORD MUSTANG FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM
2004 FORD F-150 FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM
2005 FORD F-150 FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM
2006 FORD F-150 FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM
2007 FORD F-150 FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM
2008 FORD F-150 FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM
2006 FORD FOCUS FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM
2007 FORD FOCUS FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM
2002 FORD EXPLORER FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM