Fuel pressure issues. Please help!

Joined
Jul 15, 2019
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#1
I have a 7mgte i been tryin to start up but it just cranks. I have installed a wallbro 255 pump and a fuel pressure regulator. I got fuel at my injector rail but still no start. I was messing with the return line and if i bend the hose ( to where only some fuel goes through) it starts up. Seems that it doesnt hold fuel pressure. Any ideas?