What happens when you put a ping pong ball with bleach into a gas tank?

Putting a ping pong ball with bleach into a gas tank is highly dangerous and illegal. The bleach can react with gasoline and potentially create harmful gases, which could pose serious health risks if inhaled. Moreover, this action can damage the fuel system and engine of the vehicle, leading to costly repairs. It's important to handle chemicals and fuel responsibly and to avoid any actions that could harm yourself or others.