Possible fuel system issue?

What is your question?

My car starts up and runs for 5-10 minutes then dies out like it's out of gas. Won't start back up again for several hours. I replaced the fuel filter, nothing. I checked the relay and fuel pump, both seem to be in working order. I have fuel pressure. The plugs are sparking fine. The air box isn't clogged. I even sprayed carb cleaner in while it was running. It died out and I let it sit. Went and started it a little later and it blew a bit of white smoke and cleared up, then acted like it was out of gas again. The injectors are opening and closing as they should. I'm at a loss with what it could be