Do you have any idea of what else could be the problem

well you need to figure out if its a fuel problem or electrical first. Stop changing all the electrical parts before you decipher the reason or you will spend a lot of money for nothing!!!

Its getting fuel to the ejectors and the pump works perfect so it has to be electric

I believe the Dakotas have both a crank and cam sensor, so it might be the cam sensor, however, I would suggest to get a code reader and see what codes you are reading which might help define it better and save wasting money on parts you don't need.

I had a stalling problem on my 93. Cleaned throttle body and fixed it. Another time stalling was coolant temp. Sensor.

I had the same issue with my 92 Dakota 3.6 and in hot weather it flat out would not start up. I did some research and talked to a few mechanic buddies of mine and found that the most common issue is the trucks old EDU. They weren't build very well and in hot enough weather they will warp apart and cause various electrical issues that look like fuel or air intake, even stalling issues at first glance. I replaced mine and haven't had any issues since.

when mine did that it wound up being the computer