 White Smoke
I would pull the spark plugs and look for anti freeze on them and in the cylinders ford has a habit of blowing the head gaskets on the water side and they leak into the cylinders causing it to burn off and make white smoke. Sometimes you can smell the anti freeze if you stand near the rear of the vehicle after you first start it up and if its real bad you can hold a glass jar up to the tail pipe for a minute and collect the vapor from the tail pipe. See if it has a green hue to it, that will give you an indication that it is a blown head gasket.
I am by no means a certified mechanic, it's just a few tricks I picked up along the way of owning a lot of fords over my life time. I hope I helped in some way. | 
