At some point during your driving journey, you've likely been advised not to run your car on an empty tank. While this advice might sound like common sense, it’s rooted in practicality and safety. Ignoring that warning could lead to serious issues for your vehicle.

First off, let’s talk about what the fuel light actually signifies. When that familiar ding sounds and your fuel light illuminates, it indicates that your tank has reached its reserve level—typically around 10 to 15 percent full. Even though you might try calculating how much longer you can go based on your car’s mileage, it’s better to avoid such calculations altogether. Trust us, it’s safer not to tempt fate, especially if you’re the kind of driver who tends to push their luck.

One major concern with running on fumes is the potential harm to your fuel pump. The fuel pump plays a critical role in delivering gas from your tank to the engine. For it to function properly, it relies on the gasoline itself to keep things cool and well-lubricated. Letting your tank get too low can result in overheating the fuel pump, which not only compromises its performance but also increases the likelihood of early wear and tear. Repairing or replacing a damaged fuel pump isn’t cheap, either.

Another component at risk is your fuel filter. Designed to trap contaminants before they reach your engine, your fuel filter can suffer if you frequently run on empty. Sediment naturally settles at the bottom of your tank, and driving without enough gas increases the chance of your filter clogging up with debris. In extreme cases, this blockage could render your filter entirely useless.

Perhaps the most immediate consequence of ignoring your fuel light is simply running out of gas. Being stranded on the road is inconvenient at best and potentially hazardous in adverse conditions. On top of that, calling for roadside assistance or arranging a tow service can add unnecessary expenses to your day.

So, next time your dashboard lights up with that pesky fuel warning, don’t hesitate to stop by the nearest gas station. Doing so will save you both hassle and money in the long run. And remember, taking care of your vehicle doesn’t just help preserve its longevity—it ensures your own peace of mind as well.