Why does the fuel level decrease when the car is not in use?

1 Answers
LaAubree
07/30/25 10:46am
Fuel level decreases when the car is not in use due to fuel evaporation. Here are some issues that may arise when a car is left unused for an extended period: Battery drain: The car battery charges while the vehicle is in motion. If the car remains stationary for a long time, the battery may be damaged. For older vehicles, the battery might die within 2-3 weeks. Engine issues: The engine oil may deteriorate, leading to problems with lubrication and increased wear. It may even solidify. Not just engine oil, but various coolants can also degrade. The engine can be adversely affected under such conditions. Brake problems: When parked, the handbrake is usually engaged, keeping the handbrake cable in a tense state, which can shorten its lifespan.
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