‘It costs you a lot of money to repair’: Mechanic shares what really happens if you overfill your gas

If you've been topping off your tank at the pump consider this your warning. Do not overfill your gas tank.

Houston mechanic Jaime Avila (@boss_shittg) is warning all his viewers: Overfilling your gas tank will damage your vehicle in the long run. And that "extra" fuel isn't going into your tank.

Avila posted his video yesterday. The warning already has 201,700 views and counting.

Don't overfill your gas tank

"You know when you're pumping gas and you overfill...