Yahoo Autos Why You Should Never Run Your Car Low on Gas
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Sometimes it’s tempting to try to eke out as many miles as possible from a tank of gas. But you shouldn’t do it. This video showing the innards of a fuel pump will help you understand why.
(Note: We’re gonna focus on gasoline-powered vehicles here; diesels use a different type of fuel pump, but it’s still not a great idea to run a diesel down to dead-empty. And here’s how far you can go when your gas light comes on.)
In case you missed it:
Your car’s fuel pump sends gasoline from the fuel tank to the engine. It’s a crucial component in getting your car running, but it has a tendency to fail and leave you stuck on the side of the highway — especially if you like to run your gas gauge all the way down past “E”.
You can see why running a car low on gas might cause problems by looking at YouTuber speedcar99's tear-down of a fuel pump module:
