What do the letters e and f on the fuel tank represent?
2 Answers
The letter e on the fuel tank indicates that the tank is empty or nearly out of fuel, while the letter f indicates that the tank is full. Simply put, when the fuel gauge needle points to f, it means the tank is full, and when it approaches e, it means the fuel is about to run out. The fuel gauge is used to indicate the amount of fuel remaining in the car's fuel tank. On the car's dashboard fuel gauge, the letters e and f are used to represent the remaining fuel level. The fuel gauge can be either a pointer type or a digital display. The fuel gauge consists of a fuel level indicator with a voltage regulator and a fuel level sensor. The low fuel warning device is designed to illuminate and alert the driver when the fuel level in the tank falls below a certain threshold, drawing the driver's attention. It mainly consists of two parts: a sender unit that measures the fuel level in the tank and a fuel gauge that displays the measurement results to the driver.
In my years of driving experience, the e and f icons on the fuel gauge are common symbols. Simply put, e stands for empty, and f stands for full in English. The needle moving from f to e on the fuel gauge indicates decreasing fuel levels. When the needle approaches e, the fuel light stays on, serving as a reminder for me to refuel. I remember once on a long trip when I ignored this, and the fuel level nearly reached zero, causing a breakdown that cost me over a hundred dollars in towing fees. Since then, I’ve made it a habit to refuel when a quarter tank remains to avoid damaging the fuel pump or filter. This standard applies to most gasoline and diesel vehicles, though some older models may have slight variations, but the design is generally uniform. Nowadays, new energy vehicles like electric cars use similar icons to display battery levels, but for fuel-powered cars, this classic design remains the most reliable.
