10 Bad Gas Pump Habits That Cost You Hundreds Each Year

Topping Off

Topping off your tank when fueling up might not seem like a big deal, but it’s one of the most common mistakes people make at the gas pump.

Over-fueling can damage your engine and reduce performance, according to GasBuddy. Plus, most gas station pumps have vapor recovery systems, which absorb any excess gas that is released once the car is filled to protect the car and environment.