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How does the gas nozzle at gas stations know to stop pumping????

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Old Oct 24, 2002 | 08:13 PM
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John
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From: Oregon
How does the gas nozzle at gas stations know to stop pumping????

I'm wondering because I'm installing a fuel cell and need to know how the nozzle stops. Where I live you can't pump your own gas so I just don't want gas all in my trunk
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Old Oct 24, 2002 | 10:25 PM
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From: Cincinnati
on my car it stops at about 3/4 of tank.
It knows to stop when gas backs up into the nozzle. Then it stops and the backup drains down. That why you can always pump an extra dollar or so in, althoug it just floods the charcoal filter.
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Old Oct 24, 2002 | 11:22 PM
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sort of....here is the exact explanation:

http://www.howstuffworks.com/question25.htm
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Old Oct 27, 2002 | 03:33 PM
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why cant you pump your own gas?
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Old Oct 30, 2002 | 02:49 AM
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Re: How does the gas nozzle at gas stations know to stop pumping????

Originally posted by RedTT
Where I live you can't pump your own gas
Do you live in Oregon?
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Old Nov 3, 2002 | 05:03 PM
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From: Kicking down doors in a neighborhood near you
Can't pump your own gas in NJ either.
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Old Nov 3, 2002 | 05:46 PM
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From: Marco Island, FL
You guys can't pump your own gas? WTF is going on in this county?!
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Old Nov 4, 2002 | 04:33 PM
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From: Norcross,Ga,USA
"You guys can't pump your own gas? WTF is going on in this county?!"
That's funny as hell! Is gas more expensive there? if not hell that's good service!
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