RV Repair: 1987 dolphin rv -wont fill up, filler neck, dolphin

Question
Our Rv will not fill up. It will only take $1.10 in gas. It spits it out and acts as if its over full. Its not. Need gas -Whats teh problem and the solution Thank You

Answer
This is some times tricky. During that time they used a ball to prevent someone from stealing gas. The only thing I can think of is the ball or the filler neck collapst uner the coach.

let me know you can un hook the filler neck at the tank and check