Engine died while driving

[Tippin Spotted Cow]

On the way in to work today my truck died on the road. I was coming up to a red light at about 45mph, I looked down and my low oil pressure light was on. I turned off the radio and realized that this was because the engine wasnt running.

I coasted over to the side of the road and put it in park. I turned the key to fire it up again, and my battery cable was loose... which is normal, I have to wiggle it down onto the terminal on cold or damp days or the truck won't start. So I pop the hood and fix the cable.... look around a little bit under the hood, everything looks normal... and get back in the cab.

Turn the key and crank it over a few times, it wouldn't start. So I put my foot in it a little and crank it and it fires right up. I slam the hood, get in, and when I put it in gear it dies again.

So I put my foot in it again, turn the key, fires up, rev it a little bit in neutral, then when I shift into gear I give it a little. It keeps going this time. My low fuel light came on on the way home last night, so I go put 10 gallons in, thinking that might be the cause, and drive the rest of the way to work without an issue.... truck's running great.

Does that seem like it could be the low fuel? I used to go 100 miles after my light came on... but maybe my float is acting up. The gauge doesn't quite read as accurate as it used to. Or does this sound like the start of a bigger problem? Just wanna make sure that I don't have some major issue coming up.... I don't have another set of wheels right now, and another car really isn't in the budget right now.