2001 Dakota 3.9 running rough,stalled once

I'm not up on working on cars much but i just got a 01 Dakota with the 3.9. It takes usually 2 turns of the key to start,runs just slightly rough liker i can feel a slight shake when stopped at a light,like the old distributor engines used to give when a little out of time. I was backing it up moving my boat yesterday and it idled a little low and stalled.

To me I would think the fuel injectors are clogged or the plugs need changed.Would either of these things help what I described above? Its got