1993 full size v8 idles rough then stops and then very hard to start

[iceman3032003]

I have a full size v8 350 with auto trans it would die when letting off pedal then hard to start replaced fuel pump and filter also egr sender when it does start it put a lot of clear water out of tail pipe and and has a strong oder. I can hear the fuel pump running as I could before but it is hard to start then idles rough and will die unless I keep the rpms up to 2000 or more the oil pressure gauge stays at 50 at idle or at high rpm please help

[iceman3032003]

I found the problem it was a pin hole in the fuel return line aloong the frame.

[iceman3032003]

I found the problem it was a small pin hole in the fuel return line along the frame