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P0463 Diagnostic Trouble Code Discussion for July 2009

Fuel Level Sensor High Voltage

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Trouble Ticket Help Requests for DTC P0463
Help Request Posted
2003 Ford Focus LX 2.0L MIL Lamp on, fuel gauge erratic VIN: 3FAFP3133R
P0463: fuel level sensor high input. hello to all, the customer just bought this car with the cel on. we were goint to pull the tank to check the sending unit when we noticed that with the car shut off and the key out of the ignition both the temp and fuel gauge would move slightly up and down t...
July 14, 2009
2006 Other GM WORKHORSE 6.0L MIL Lamp on VIN: 5B4JPD2UX6
P0463: fuel level sensor circuit open / high. The fuel level sensor fault comes back each ignition cycle. The scanner is reading 4.9 volts. When you back probe the sense wire at the sending unit it reads .7v also if you back probe at the computer it reads .7v The evap pressure reads 1.4v back probing at t...
July 21, 2009