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P0462 Diagnostic Trouble Code Discussion for May 2008

Fuel Level Sensor Low Voltage

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Trouble Ticket Help Requests for DTC P0462
Help Request Posted
1998 Chevrolet K3500 Cheyenne 7.4L fuel gauge erratic VIN: 1GBJK34J0W
P0462: Fuel Level Sensor Low Voltage. the problem is that the balance module does not always pump from the rear tank, and that the fuel guage is erratic. i can see how the balance module effects the gauge, when i vary the voltage at the purple wire going to the vcm, the guage moves up and down. ha...
May 09, 2008