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P0463 Diagnostic Trouble Code Discussion for August 2008

Fuel Level Sensor High Voltage

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Trouble Ticket Help Requests for DTC P0463
Help Request Posted
2001 Chevrolet Silverado 1500 4.8L Surge VIN: 2GCEC19V11
P0463: Fuel Level Sensor High Voltage. We have a surging 4.8 (looks alot like a 5.3) here that has a bad surging symptom. Fuel trims are high, smoked intake to no avail but replaced intake gaskets, cleaned throttle body and IAC, then replaced IAC to no avail. Fuel guage drops to empty erratically b...
August 04, 2008
2002 Buick LeSabre Custom 3.8L Misfire, MIL Lamp on, P0300B VIN: 1G4HP54K02
P0463: Fuel Level Sensor High Voltage. ... help request so thanks in advance for any help in this matter. This car has a very intermittent misfire; a P0300B is set when this occurs. The MIL flashes during the event. I have driven this vehicle 90 miles between these events. It always happens when ho...
August 09, 2008
2002 Chevrolet Astro LS 4.3L MIL Lamp on VIN: 1GNDM19X82
P0463: Fuel Level Sensor Signal High Input. ... truck run good ck engine lite is on and have too get through inspection on the second trip this truck will set p0101 abd p0463 at the same time ck cir for mass air and test good the fuel gauge does work on and off. have done a reflash and the same codes co...
August 13, 2008