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What Causes the BMW Fuel Gauge Needle to Stop Moving?

1 Answers

Micah

07/29/25 11:04pm

The reasons for the fuel gauge needle not moving are: issues with the fuel float or problems with the fuel gauge wiring. Below are the relevant details: 1. For older vehicles, it is likely that the fuel float is malfunctioning: (1) The fuel float is commonly referred to as 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 obstruction during the sliding process of the fuel level sensor. (2) If the fuel gauge needle reaches the top, it indicates that the fuel float is faulty. (3) If the needle does not move immediately after refueling, it may be because the fuel float is buoyed up by the fuel's buoyancy to the top of the tank. As the vehicle consumes fuel during driving, the fuel float will descend, and the fuel gauge needle will then move with the sensor. 2. Check if there is an issue with the fuel gauge wiring on the car's dashboard: The dashboard should be removed, and a multimeter and a pin should be used to accurately inspect the corresponding fuel gauge wiring on the dashboard. The car's fuel level gauge displays the amount of gasoline in the vehicle. It is particularly important to note that when the fuel gauge needle falls below the red line and the warning light comes on, although the car can still travel 30-40 kilometers, it is not recommended to wait until the fuel level warning appears before refueling.

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