Quote:
Originally Posted by Some guy somewhere
You will kill your fuel pump if you drive it all the way down to empty enough times. That's a fact of all cars. When your fuel light comes on, you should go get fuel. You've got a buffer of about 20-30 miles before you hit the "you're stressing your fuel pump" mark.
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the fuel pump is "cooled" by sitting in the tank, so basically your fuel turns into one big heat sink
less fuel means the pump will run hotter, so even if you aren't running it dry, keeping it low will also harm the pump
see this a lot with those people that just put in $5 at a time etc