Could be a fuel system problem. First thing is to replace the fuel filter and then have the a fuel pressure check done. Also some electrical parts will fail after they get hot. An engine requires 3 things to run. Fuel, air, spark. Find out which of these you do not have when it will not start.
Are you getting power to the system?
Only one thing can be wrong, it is clogged. Replace it.
Assuming you're not out of gas there are two broad reasons a car won't start, the first one you mentioned, fuel...this could include the fuel pump, filter, fuel injectors and so forth. The second broad catigory is electrical, if the fuel isn't ignited in the cylinder it won't start, right? To fix the problem you need to define weather its one thing or the other then find the specific thing wrong with that system. There's no one right answer for every malfunction.
Your fuel filter could be clogged up or you could need a new fuel pump.
this can be caused by , bad plugs, bad coil, dirt in the fuel system or timing could be wrong
What type of vehicle could be fuel filter or water in fuel
There could be several reasons for this issue. It could be due to a problem with the fuel system, such as a clogged fuel filter or dirty fuel injectors. It could also be related to issues with the ignition system, such as faulty spark plugs or a failing ignition coil. If the problem persists, it is best to have the truck inspected by a mechanic to diagnose and address the issue.
Possibly something wrong with CSFI ( central sequential fuel injection)system. Or maybe wrong fuel pump installed. If fuel system is TBI (looks like a carb.) then maybe aproblem with fuel pressure regulator. You could also have an electrical issue, check for power at the the fuel pump. Uses a fuse and a relay ( both under hood)
fuel pump or fliter
your float could be stuck
depends on the wrong fuel you put in it. There are a lot of different fuels. In general, if you put the wrong fuel in the engine, if its a higher octane it will over rev and blow up. If its a lower octane, it will puddle and flood the system.