i have an issue with my jeep... if i drive it for awhile then i get out turn it off and come back to it 5-20 min later. it likes to idle VERY rough, almost missing. usually i can just give it a little gas or put it in gear and it will go away pretty quick... only a couple of times has it actually died.. it would start up still and i could go on my way... do i have a leaky injector or?

4.0 with 160,000 miles automatic

 

That'd be my guess. Or perhaps a bit of heat soak.

 

How does it idle in the morning, after it has been sitting overnight? Rough idle too?
That would distinguish between heat soak and possible leaking injector, in this case

 

in the morning its all normal

what is heat soak?