Originally Posted by
JoePoonani
Plus it's bad for your fuel pump, the fuel that goes through it lubricates and cools it so it's not good to run too low.
I was gonna say the same thing.
It's not unusual for some cars to even take longer to start when you let it get below 1/4 tank. In the long run, you're better off filling up whenever the gauge gets to the 1/2 or at least 1/4 area so don't put unnecessary strain on the pump.