And you are sure it can't suck air where the fuel supply connects to the IP correct? Just want to eliminate anything that might be easy and cheap before you send the IP out for rebuild.. I am not familiar with this particular system but you only have a few components to do a process of elimination on..
there is a oring on the bleeder i will look at one more time just to make sure.
Hey Winston1, if that was leaking at the two fuel lines off the pump, wouldn't it leak fuel there and not suck air?