How to Check How Much Fuel is Left in the Tank?
2 Answers
Both analog and digital fuel gauges require the vehicle to be started before readings can be taken. The analog fuel gauge is marked with two letters, E and F. E stands for Empty, indicating no fuel, while F stands for Full, indicating a full tank. The closer the needle is to the letter F, the more fuel remains; the closer it is to the letter E, the less fuel is left. When the fuel icon lights up, it indicates that the remaining fuel is low, and refueling is needed as soon as possible. Here is some additional information: 1. The fuel gauge provides only a rough estimate of the remaining fuel and cannot display the exact amount. It serves as a reference for the driver. For example, a digital fuel gauge might show a remaining range of 300 kilometers, but in reality, due to factors like road conditions and vehicle status, the actual range might only be 150 kilometers. 2. The fuel system mainly consists of four parts: the fuel gauge, sensor circuit, variable resistor, and float. When the tank is full, the resistance value of the variable resistor connected to the float decreases, causing the circuit current to reach its maximum. At this point, the fuel gauge needle is at its highest position. As the fuel level decreases, the resistance value of the variable resistor increases, reducing the circuit current and causing the fuel gauge needle to drop accordingly.
Checking how much fuel is left in the tank is actually quite simple. Most cars have a small icon on the dashboard shaped like a fuel pump nozzle. When the needle points to F, it means full, and when it points to E, it means nearly empty. Having driven for over a decade, I've developed the habit of glancing at the dashboard every time I start the car. Modern vehicles even have digital displays showing the remaining fuel percentage or estimated kilometers left, which is especially handy for trip planning. When fuel runs low, a warning light (usually a yellow fuel indicator) will illuminate. I recommend refueling before this light comes on—keeping at least a quarter tank helps protect the fuel pump and extends the vehicle's lifespan. Additionally, always check before long trips to avoid the hassle of breaking down. Developing this habit ensures both safety and peace of mind.
