What to Do When the Car Fuel Tank is Full?

1 Answers
Phoebe
07/29/25 5:59pm
If driving in the city for a long time, it's best not to fill up the fuel tank completely, as a full tank can increase fuel consumption. The impacts of a full fuel tank are as follows: First refueling for a new car: It's best not to fill it up completely, as overfilling may cause the fuel gauge and sensor to malfunction, leading to inaccurate fuel gauge readings. Try not to overfill when refueling. Harm to the carbon canister: The fuel vapor adsorption and desorption device in gasoline vehicles, commonly known as the carbon canister, is a device that reduces the emission of gasoline vapors from the car's fuel tank. Overfilling the tank leaves no space at the top of the fuel tank, leaving no room for the gasoline vapors to escape. As a result, liquid gasoline instead of gasoline vapors enters the carbon canister, causing harm to it. Since gasoline contains various harmful substances, prolonged exposure to gasoline vapors can be detrimental to health and may even lead to cancer.
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