It is common for the fuel level sensor in the fuel tank read the fuel level incorrectly. The sensor must be replaced to correct the condition. Our technicians recommend having the complete fuel pump module replaced on high mileage vehicles.
Car Problem Reports
GMC Sierra 2500 Fuel Level Sensor Failure
GMC Sierra 2500 Problem
Electrical & Lights Affected: Gasoline
Visitor, 2000 GMC Sierra 2500, 139,980 mi
almost always jumps from empty to 1/2 full. many issues with this truck and this is the most minor issue