I've been re working my setup and tune,
I got a drop off on fuel pressure at 508kpi, Is this the fuel pump bypass kicking in or is this an FPR failure? I'm using dual walboros I got a long time ago so I have no idea what their bypass is. I did recently buy a new single with a high bypass as I was getting ready to move to flex fuel.


500 KPI

508 KPI

225 KPI Drop

 

What is the entirety of your fuel set up? Brand and model of parts, wiring configuration of the pumps, line size and so on

 

Oh hahha. I'm an idiot. I changed injectors and either the data I entered is wrong or the gas station pump clicked early, I use fuel calculations from the ECU to keep track of my tank, it was almost empty. Ah geeze.

But I just now pulled the old setup out and put in a f90000285, it's how I just found out the tank was empty. But for the curious anyway it's the stock hard lines to 6an. Wiring is 12awg to a motec PDM.