Originally Posted by RED DOG

Dave, Thanks for your effort to assist . . . After weeks of taking things apart several times, rechecking connections and putting things back together again, I believe I finally solved the problem. I did a throttle body reset and that seems to have fixed it. Apparently the MAP sensor circuit and the throttle body communicate with each other to coordinate the fuel input based upon throttle position / air intake. It seems that they were just out of sync. Keeping my fingers crossed . . . Will know better after a few more cold starts.