I just bought this truck a few months ago. Had a cel on and run codes and changed a few things. But ever since I bought this thing it starts pretty quickly when cold. But after warm and i shut it off, if i start it back up in just a few minutes it starts right up. But if I shut it off and let it sit for 5 minutes or longer it has to roll over a lot to start.
But I have found if after you shut it off warm, wait the 5 minutes or more, then turn the key on and off like 3 times, or in other words cycle the fuel pump 3 times, then it starts right up.

I do still have the darn cross flow problem of when running off front fuel tank it fills rear tank. So i'm just running off back tank now. Until I can change the back fuel pump.