Gas pump nozzle cutaway shows the Venturi valve diaphragm. The demo video from Husky Corporation mentions that more modern nozzles have additional safety features. When the rising level of fuel ...

He says that is the sound of a pressure safety valve releasing gas into the air ... they will come out and pump out gas, get it to where it is stable." Simon explained. Using a garden hose to ...

After the nozzle first shuts off or clicks, pumping additional gas into the tank could damage your car and create a health and safety risk ... the gas pump’s valve stays open, and the nozzle ...

You pull into a gas station ... and the pump is still working in spurts, then it might be time to have a mechanic check the fuel tank for a clogged line. It could also be a vent valve failure ...