2007-09-16 04:47:37 · 6 answers · asked by Anonymous in Cars & Transportation ➔ Other - Cars & Transportation
The dispenser nozzle has a small tube inside it that "breathes" during fuel delivery. When the tip of the nozzle touches liquid fuel, and shuts off the air flow through the tube, it triggers a valve that shuts off the fuel flow, and prevents overfilling and a fuel spill.
2007-09-16 05:18:22 · answer #1 · answered by dathinman8 5 · 0⤊ 0⤋
there is a mechanical pressure switch in the nozzle of the fuel pump that kicks when it reaches the required pressure
2007-09-16 05:10:15 · answer #2 · answered by Hoss 2 · 0⤊ 0⤋
There is a sensor in the nozzle that trips when the tank is full!
2007-09-16 05:00:10 · answer #3 · answered by fire4511 7 · 0⤊ 0⤋
===computers baby=====
2007-09-16 04:52:08 · answer #4 · answered by Sonny H 6 · 0⤊ 1⤋
sensor
2007-09-16 04:56:00 · answer #5 · answered by Anonymous · 0⤊ 1⤋
it clicks
2007-09-16 04:57:36 · answer #6 · answered by Bj N 4 · 0⤊ 0⤋