Originally Posted by TheOtherDave™
Once that light comes on, I'd fill the car back up pronto. When you get down to the dregs of the tank, you start sucking up all sorts of crud. You'd be surprised by how much crap accumulates in the bottom of a gas tank after a couple thousand tankfuls.

h:
Couple thousand, rofl. You'd have to drive your car roughly 300,000+ miles to get to 1,000 tankfulls

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