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P0463 Diagnostic Trouble Code Discussion for August 2007

Fuel Level Sensor High Voltage

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Trouble Ticket Help Requests for DTC P0463
Help Request Posted
2001 Pontiac Grand Am GT 3.4L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G2NV52E71
P0463: Fuel Level Sensor High Voltage. Calling all Pontiac techs. Car came in a month ago for a crank no start. Tessted for injector pulse and had none. Found passlock sensor bad as well as ignition switch. Replaced both did the 10 min. relearn and all was well. Now car is back as a crank no start ...
August 02, 2007