1993 Lexus GS300 Q&A

1993 Lexus GS300 Question: My car start-up and runs for about 15m then it cuts off like it not getting fuel

I replace the fuel filter,the rail regulator &fuel pump. I also replace the coil,air filter and distributor cap.Its still doing the same thing.It starts up it will run for 3 to 5 mins and dropped dead then it will not start-up unless I leave it along for about a hour. -
Answer 1
SEEK A PROPER DIAG AND EST IT COULD BE SEVRAL THINGS -