At some point in your driving life, you’ve likely heard the advice to avoid driving on an empty gas tank, but have you ever stopped to think about why this warning exists? Contrary to popular belief, this isn’t just an old wives' tale—it’s a practical piece of advice designed to protect your vehicle.

First off, let’s break down what your fuel light actually means. When your car’s fuel light turns on, it signals that your tank has reached its reserve level, usually around 10 to 15 percent of capacity. While you might think you can calculate how far you’ll go based on your car’s mileage, it’s better to err on the side of caution. Trust me, there’s no reward in risking it all just to save a few minutes.

One major risk of driving on an empty tank is the potential damage to your fuel pump. The fuel pump relies on gasoline to stay lubricated and cool. If you run out of fuel, the pump can overheat and wear out prematurely. Replacing a fuel pump isn’t cheap, and it’s certainly something you can avoid by simply filling up your tank when the light comes on.

Another component you put at risk is your fuel filter. This little device filters out dirt and debris before they reach your engine. Since sediments tend to settle at the bottom of your fuel tank, driving on an empty tank increases the likelihood that your fuel filter will get clogged with impurities. In extreme cases, the filter can become entirely blocked, leading to costly repairs.

Of course, the most immediate consequence of ignoring your fuel light is running out of gas altogether. Imagine being stranded on the side of the road during bad weather—it’s not only inconvenient but also potentially dangerous. And if you do manage to flag someone down or call for help, you’ll likely end up paying for a tow truck to get you back to civilization. That’s money you’d much rather spend on gas.

So, the next time your fuel light pops up, don’t delay in refueling. It’s not worth the stress or the risk to your vehicle. Trust me, your car—and your wallet—will thank you later.