The fuel tank level gauge is an important component used on vehicles to monitor the liquid level and medium temperature inside the fuel tank. By using the fuel tank level gauge correctly, drivers can timely understand the vehicle's fuel level and working status, thereby ensuring the safe operation of the vehicle. During use, attention should be paid to safety, accurate reading of data, and regular inspection and maintenance of the liquid level gauge.

Here is a detailed step-by-step explanation:

1、 Find the fuel tank level gauge The fuel tank level gauge is usually installed outside the fuel tank and has a transparent tube body for easy observation.

2、 Observe the liquid level height Direct observation: Through the transparent tube, the height of the liquid in the fuel tank can be directly seen. The height of the liquid level reflects the amount of remaining fuel in the tank.

Scale determination: Some fuel tank level gauges have scale markings, which can be used to determine the specific capacity of the liquid in the tank.

3、 Understand the temperature of the medium (if applicable) Red mercury indicator: Some fuel tank level gauges use red mercury in the middle to display the temperature of the medium in the tank. This helps drivers understand the working status of the vehicle.

Temperature reading: Observing the location of the red mercury, corresponding to the temperature scale on the level gauge (Celsius temperature on the C side and Fahrenheit temperature on the F side), can determine the current temperature of the medium in the fuel tank.

4、 Precautions Safety first: When checking the fuel tank level, ensure that the vehicle is in a safe state and avoid checking during driving or engine operation.

Accurate reading: In order to accurately read the liquid level and temperature, it is necessary to ensure that the line of sight is perpendicular to the liquid level gauge to avoid visual errors.

Regular inspection: It is recommended to regularly check the fuel tank level and medium temperature to ensure the normal operation of the vehicle and timely detection of potential problems.

Troubleshooting: If abnormal display or inaccurate reading of data is found on the liquid level gauge, the fault should be promptly investigated and repaired or replaced.

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