Foaming diesel is a puzzle to me. When filling my 2006 f350 it takes forever to get a full tank. If I don't allow the foam to dissolve I miss about 4 to 5 gal from filling my tank. I have pumped thous...
On the fords from that era they used the same fuel tank a the gas engine with a long breather tube that caused the foaming you see, When they switched to the 6.7 they chanded the tank configuration and tube length and no more foaming issue