Driving with an empty gas tank carries clear risks on the road, a warning echoed by industry insiders. The guidance is simple: never let fuel fall below a quarter of a tank. A near-empty tank can strand a vehicle, create dangerous situations for occupants, and raise the odds of an accident due to sudden engine stall or loss of power. Even small fuel level changes can translate into major safety concerns for drivers.
Letting the tank run low repeatedly stresses the fuel system. When fuel is scarce, the pump works harder, accelerating wear and potentially shortening its lifespan. More importantly, the fuel level sensor may give inaccurate readings, leading to an unexpected stop at an inconvenient moment. The risk grows when the tank stays near empty, potentially triggering a cycle of sensor faults and pump strain that increases the chance of a breakdown on the road.
Experts also note that air can enter an empty or near-empty tank, introducing air into the fuel line. This phenomenon further degrades the fuel pump and related components, potentially causing irregular engine performance, sputtering, or sudden loss of power. Prolonged exposure to such conditions can shorten the life of the fuel delivery system and reduce the overall reliability of the vehicle.
Buying a used car is touched by prudent choices. In many cases, it makes sense to buy from trusted friends or acquaintances when possible, as reliability and honesty often accompany personal recommendations. When that option is not available, the advice is to work with reputable dealers or to search through recognized, major online marketplaces. Exercise caution with vehicles advertised at unusually low prices, since deeply discounted cars may conceal ongoing problems.
Experts also advise a thorough inspection of the interior and careful examination of the technical condition. A used vehicle should be evaluated for signs of wear that reveal overall care and maintenance history. This includes noting how the interior has aged, the condition of seats and controls, and whether there are any hidden issues that could affect long-term value and safety. Comprehensive checks help buyers avoid vehicles with latent defects and unexpected repair costs.
In summary, drivers in Canada and the United States should include fuel awareness in routine vehicle checks. Keeping the tank above a quarter tank reduces the risk of unexpected stalling, protects the fuel pump from excess wear, and helps ensure that fuel level readings remain reliable. When evaluating a used car, prioritizing reliability, transparent maintenance records, and trusted sources can make a decisive difference.