Fuel Pressure...... Then NONE?!?!?!?

[adam danner]

Ok guys, I have come to you all once again. This time my problem seems to be with the fuel... so here is my story.......

Tonight was the first time I have gottin my car start in well atleast 6 months, the car now is running on AEM EMS, and my fuel system is as follows. I have a sump in my tank with -10 feed lines and -8 return lines, with an aeromotive A1000 pump and regulator, -10 Magnus rail, and 1600 FIC injectors. Enter problem, when the car first starts it build about 50ish psi, and within about 5 seconds ALL the fuel pressure is gone..... but the car will still idle as long as you want it too (magic huh?). Well in my steps to determine what is wrong i took off the return line on the fuel rail and put it in a gas can to see what was happining... and just as i thought when you first turn on the car and for the first few seconds, its dumping fuel like a garden hose, and then not a drip, but the car will still idle.......

Its nuts and i have no clue, so any help would be great thanks a million fellas!!!!!

 

[DSMopar]

Fuel pump is still running yes? Sounds like a pump issue either way....

 

[rstchris]

Sounds like the relay is only trying to prime, not run. My car does the opposite, kinda anoying.

 

[adam danner]

the pump is running the whole time, we even tried to deadhead pressure test it and we still have no pressure.....

 

[DSMopar]

Well dur you have an issue before the rails then... are you running an in-line filter? It's either a problem with a filter or it's the pump....

 

[adam danner]

yes to the in line filter, but i took it off and tried it and i have the same proplem. i have another pump so im going to try it and see if it fixes my problem.