Went to bed with 1/4 fuel woke up empty

Try priming with the pump, keep your tanks above 1/2 in winter.

 

If you have enough air to release the brakes, you need to get back on level ground or to the left side of the ramp to fill the left tank. If you have a Davco fuel filter, pour fuel into the top of it, filling it full. You’re going to have to crank it, until it starts. It will, eventually. When it catches, hold it to the floor.

Whatever you do, never use starting fluid on that truck.

 

Fuels all in the right tank. Air is in the left tank, and line. Lost prime. Check under the cab for shutoff valves If you can, shut off the empty tank. Maybe you can crimp off the lines from the empty tank, if necessary, using vice grips. What’s needed is more fuel in the left tank, as mentioned, level ground. Then priming the filters. You’re probably going to kill the batteries. May have no choice but call for road service.

 

So we're you siphoned, or gauges just stuck when really empty?

I went to bed once in Colorado thought I had about an 1/8th, no low fuel light.

Got up, cranked up, Love's was like 2 miles down the highway, ran out on the off ramp lol.

Fortunately was a Cummins and was self priming.

 

What Truck? What engine?

 

Don’t know if you’re on a hill, but rolling in gear will prime the system too.