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P0463 Diagnostic Trouble Code Discussion for February 2007

Fuel Level Sensor High Voltage

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Trouble Ticket Help Requests for DTC P0463
Help Request Posted
2001 Oldsmobile Bravada 4.3L Excessive Emissions VIN: 1GHDT13W31
P0463: Fuel Level Sensor Signal High Voltage. Can't put fuel into tank, tank pressure will not allow fuel to enter the tank. All vapors and pressure are vented through the canister, there is not a separate vent tube on the filler neck. Checked filler neck for obstructions, inlet valve at the tank, all loo...
February 23, 2007