What is the reason why the fuel gauge remains full?

1 Answers
LeGabriel
07/29/25 10:15pm
The reason why the fuel gauge remains full is that the fuel level sensor is stuck, and reinstalling it can solve the problem. The function of the fuel gauge is to display the fuel level in the car's fuel tank. It consists of a voltage regulator, a fuel indicator, and a fuel level sensor. The low fuel level warning device is designed to immediately illuminate a warning when the fuel in the tank falls below a specified level, alerting the driver. Precautions for using the fuel gauge include: 1. Do not wait until the warning light comes on to refuel; too little fuel is detrimental to the normal operation of the fuel pump and reduces its service life. 2. Indicator deviation: When replacing the battery or fuel filter, the fuel gauge needle may show a lower level than before upon restarting the vehicle. This is due to the release of pressure after opening the fuel tank, causing the fuel level to drop. Such display deviation is a normal phenomenon.
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