Datalog N54 LOW FUEL PRESSURE

[keithkk1000]

I'm having an issue with my low fuel pressure oscillation. I have dual pumps 535 & 450, full Precision Raceworks fuel system, top hat, lines, port injection with 5 bar regulator and return line. I'm also have speedsty ekp so no pwm, second pump triggers at 200nm.
It seems like I may need a 1 to 1 regulator or a better static regulator. I would appreciate any suggestions.
WOT log

 

[marvix]

Did you resolve ? Any update?

 

[Keith1k]

I did resolve my issue.
I use my speedsty ekp to trigger my second fuel pump, it was set to activate at 200nm. The second pump was coming on way to early and draining the bucket faster than it could fill, at WOT it would drop pressure.
I set the trigger to 48% throttle which is where the reflex starts the PI.

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