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Alpha D · 11-11-2010

Question so what happens to fuel pressure regulators that rise at the 1:1 rate. Do they rise and then drop back to the set pressure once you go into vacuum? Or is fuel bled of through the return line to maintain the set pressure?

11-11-2010	#21
Alpha D Got Boost o_O'' m Join Date: Sep 2009 Location: In a house Drives: 1991 Eagle Talon TSI AWD Spooling Fiddy Trim Style Posts: 1,389	Re: Fuel Pump Upgrade Question so what happens to fuel pressure regulators that rise at the 1:1 rate. Do they rise and then drop back to the set pressure once you go into vacuum? Or is fuel bled of through the return line to maintain the set pressure?