'93 F150, duel tanks. Rear tank will not take fuel. Nozzle shuts off as soon as fuel starts flowing. Looked into filler and the anti-siphon flap is there. (thought it might have come off and blocked things) Checked to see if hose to tank could have been damaged. Looks normal.
Also, co incident with this, the rear pump will not come on when switching tanks. The fuel indicator will not change to the rear tank either.
Could these symptoms be related?????? Seems if pump failed the tank should still take fuel!!
The maxi fuse in the power dist. box is not blown either. There is no fuse in the fuse panel in the cab for the pumps. So, I'm stumped at this point.
Any suggestions would be appreciated!!!! Thanks 'Mo

 

if your rear tank is full its not going to take in fuel. and your switch may be no good for the tanks or maybe has a contact problem. fill it with a gas can and see what happens.