Is It Good to Fill Up the Tank Every Time?
1 Answers
Filling up the tank every time is not good for the car. Here are the specific hazards of overfilling the fuel tank: 1. Gasoline evaporation is unpleasant and carcinogenic: The charcoal canister is usually located near the fresh air intake for the cabin. When the tank is overfilled, the charcoal canister becomes saturated, and excessive pressure causes it to release fumes containing gasoline components into the cabin, posing health risks to passengers. 2. Damage to the charcoal canister: The charcoal canister is typically installed between the fuel tank and the engine. Since gasoline is a volatile liquid, the fuel tank often contains vapor at normal temperatures. The fuel evaporation emission control system directs these vapors into the combustion process to prevent them from escaping into the atmosphere. The activated charcoal canister plays a crucial role in this process. If the tank is overfilled, liquid gasoline instead of vapor enters the charcoal canister, causing damage. 3. Clogged vent hole: If the engine fails to start after refueling, it may be due to an overfilled tank. Once the vent hole is clogged, negative pressure builds up in the fuel tank, leading to poor fuel supply or even a complete lack of fuel delivery.