How to Check the Size of a Car's Fuel Tank?

1 Answers
McDeclan
07/29/25 7:55pm
Observe the reading on the fuel gauge inside the car. If there are no other issues, the fuel level will be accurately reflected on the gauge. The fuel gauge typically has 5-6 segments, with each segment representing the remaining fuel capacity in the tank. Generally, it's advisable to refuel when the fuel gauge shows only two segments remaining. Below is an introduction to fuel tank capacity: Fuel Tank Capacity Measurement Unit: Internationally, the standard unit for measuring car fuel tank capacity is liters (L). Different countries also have their own standards for fuel tank capacity. In China, the regulation stipulates that the fuel tank capacity should be at 95% of the rated value, but in practice, the actual capacity is usually larger than the nominal capacity. Therefore, there's no need to worry about the fuel tank being smaller than expected. How to Check Car Fuel Tank Capacity: (1) Check the manual: The car manual is like a comprehensive guide, providing detailed information about the vehicle, including maintenance schedules and fuel tank capacity. Owners can use this information to refuel appropriately, preferably not exceeding the safe capacity. (2) Judge based on refueling experience: Experienced drivers often know the precautions when refueling, such as how much fuel to add—slightly more than the safe capacity but less than the actual capacity—without filling the tank to the brim to avoid accidents. (3) Judge based on the fuel warning light: Many owners rely on this method, but it can be somewhat inaccurate. The displayed capacity can vary significantly depending on road conditions and the vehicle's state. Therefore, it should only serve as a reference. However, when the warning light comes on, it usually indicates low fuel, and the owner should take note.
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