Araon said:possible the floats sticking slightly.....but then if I'm not mistaken you already identified a leak from the shut off???? it may be its not shutting down fully
wilgartw said:re: your cut off solenoid.
can you hear it click when you connect and disconnect it with the ignition on?
if not test the wire to see if it has 12v. i once reconnected to the wrong side of the coil.