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Why is the fuel gauge needle not moving?

1 Answers

SanElizabeth

07/29/25 2:25pm

The reasons for the fuel gauge needle not moving are: issues with the fuel float or problems with the fuel gauge circuit. Here are the relevant explanations: Fuel float malfunction: For some older vehicles, it is likely that the fuel float is malfunctioning. The fuel float is essentially the fuel level sensor. You can check if the fuel level sensor plug on the fuel tank is loose and observe whether there is any sticking during the sliding process of the fuel level sensor. It is recommended to take the vehicle to a car repair center to connect the two fuel float wires. If the fuel gauge needle goes to the top, it indicates that the fuel float is damaged. Fuel gauge circuit malfunction: If there are no issues with the fuel sensor, you need to check whether there is a problem with the fuel gauge circuit on the car dashboard. You should remove the dashboard and use a multimeter and a pin to locate and inspect the corresponding fuel gauge circuit on the dashboard.

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