fuel pressure problem ='[

[darkslide]

so i tried checking the fuel pressure on my kade because im running rich and still haven't found my problem, i found that i was getting 41 psi at idle and during acceleration, so i checked the pressure regulator and it held vacuum. then i read in the factory service manual and it said "Don't preform a fuel pressure check while the fuel pressure regulator control system is operating; otherwise, fuel pressure gauge might indicate incorrect readings"
i've been looking and do not know what a fpr control system is, wondering if anybody can help me out!?