Danger Zone The Risks of Overfilling Your Fuel Tank

You can cause thousands of dollars worth of damage to the evap components of you overfill. DONT do it. The fuel pump nozzles have an automatic shutoff system that cuts the fuel flow when the tank fills up. If not for that, the gas would overflow, ... If you're driving an old car, it doesn't really matter if you fill up that tank especially if it's got an old gas cap. ... happen you can ... I just realized after reading and watching videos on Youtube that topping off is dangerous and will damage your "EVAP" system. The amount of ... Since you over flowed the tank you may have some puddled or fuel residue inside the wheel well area that will have to evaporate away. Rarely this happens. But today when I was fueling up, the pump handle wont stop / disengage when my tank was full. The "burp line" that gets air out of the gas tank runs from the top of the gas tank to the top of the filler neck. There's no way to "overfill" ... :roll: I've not gotten into the EVAP canister and surrounding hoses and such - didn't want to invest the time. But if you overfill your ... Comments52 · Here's Why You Should Never Overfill Your Car at the Gas Station · What Happens If You Fill Up An EMPTY Tank With Vodka? (Instead Of ... ... of the two black plugs at the bottom of the gas tank. I'm guessing those plugs will burst if they sense too much pressure and vent gas correct?.