Today I started my truck and it ran fine for about a minute then, while at idle, I heard a crack, none metalic, and the engine went quite rough and rattled. I shut it down and restarted it and it still ran rough. Shut it down again went to open the hood and restarted it and it ran fine.
I have not yet had time to looked for codes.
Since it corrected itself the only area I can think of was some form of injector malfunction, stuck open or closed.
Any thoughts.

Injector nozzle is the first thing that comes to mind, but I'll keep thinking about it.