Quote Originally Posted by Riff Raff View Post
When you are filling-up, do you have the black rubber anti-splash shield of the gas nozzle completely tight up against the fill pipe??? If so, it leaves no room for the air to escape when refueling and can sometimes cause the nozzle to click-off as thinking it's already full. Try leaving a small gap of space between the end of the fuel tank opening and the black rubber splash shield of the nozzle to allow the air to escape easily. Hope this info helps.

Not to rain on your BBQ but that black rubber cup on the gas pumps is more than a splash shield. It's a fuel vapor recovery thinggy too. It's supposed to be tight against the fuel tank.

Your idea has merit though. He probably should leave a slight gap to see if it makes a difference.