Hemi Continues to quit at Speed.
I had a hemi ram that wanted to stall out when coming to a stop or even making turns at slow speeds.
It was an intermittent problem , no codes. I unplugged the EGR valve , of course it did set a code and light , but is a good test because it will never open unplugged .
It never acted up with it unplugged and a new EGR valve took care of that problem. And was good because it was a dangerous situation on a turn and loosing power assist when it stalled.
It doesn't sound like the symptom you explained , but I would unplug it anyway just to rule it out.