If you tend to fill up your car’s gas tank rather than paying for a specific amount of gas, you’re familiar with the thud that the pump makes when it shuts off. Once you hear that, you know your tank ...

Gas pumps are designed to stop the flow of gas once your car’s tank has filled up. But as many drivers know, you can pull the trigger and pump a little more gas before the pump will click off again.

From trying to remember which side your gas tank is on to issues with the pump mysteriously clicking off, a quick fill-up isn't always straightforward. Fortunately, there are some reasons why the pump ...