I think a sticky valve is the most probable problem. I had an 94 dodge ram v6 and it liked to cough, miss, or click off the start and for the first 5 minutes of driving, but after it warmed up it ran good.
2002 v6 manual, SSM P&P Heads, Comp Cam from SSM, and some other stuff full list in profile.
214 RWHP, 215 RWTQ :tongue
"The trouble with our liberal friends is not that they're ignorant; it's just that they know so much that isn't so"