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Message: [QUOTE="6speedsd, post: 1305245, member: 1242"] Yea I get that. I know pressure drops immediately. But if I immediately recycle the key, it's like I'm trying to reprime the system...it starts at a low pressure and sloooowly comes back up. Usually doesn't even build to full pressure before the pump shuts off again. I could look over the slight fluctuation at idle, but if I go 20% pedal, I shouldn't have a pressure drop from 60 to down in the 40's! That's not enough of a load to cause that much of a drop even on a weak pump. And pressure will drop 8-10 psi by just revving the damn thing in park. Again, I could buy the part about some of them being like that....if mine had always been like that! Lol. This didn't start until I pulled the manifold off the HFCM and cleaned it. I had ZERO issues holding pressure before that. With the regulator set on 60psi, wot runs it wouldn't drop lower than maybe 57-58. Go figure...a little PM work causes me nothing but headaches. I'm getting air sucked into the fuel somewhere underneath. Sent from my iPad using Tapatalk [/QUOTE]

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