Why is the Car Fuel Gauge Display Inaccurate?

1 Answers
StCole
07/30/25 6:00am
The reasons for inaccurate car fuel gauge display are: 1. Open circuit or poor connection in the wiring from the fuel level sensor to the ECU; 2. Poor contact or severe wear of the fuel position sensor's sliding resistor; 3. Abnormal instrument circuit or aging/loose electrical components; 4. Deformed fuel tank or abnormal bracket; 5. Poor connections, open circuits, or short circuits inside the engine module. The car fuel gauge is an indicator used to display the remaining fuel quantity in the vehicle, serving as an important basis for drivers to determine whether to refuel. By understanding the structure and meaning of the fuel gauge's indicators, drivers can make accurate judgments about the remaining fuel level or whether the fuel gauge is functioning normally.
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