Originally Posted by I6 Monster
I have a 1980 F150 with the 4.9 in it. It does the same thing, I have to hold the gas gun with the end just barley in the fuel neck or it will kick it off after a few seconds.
My gas gauge had been stuck at empty for a long time, than it got stuck at full, It turns out that the new sending unit I got from LMC was dead out of the box.
If you unplug the wires from the sending unit does the gauge drop to E?
I will locate it later today and unplug it to see what happens