Scott, as I change out my fuel filter every two years and I bleed off the line pressure using my gauge for that. So my gauge is attached so it's easy to test after I change the filter. I know what I'm doing is not by the book to test fuel pump psi. I go to KOEO and look at the gauge, 54 PSI is what I got this past April. I go look under to eye up the filter connections for leaks. Then I start it and she is stone cold at this point so I have time to go look again at cold idle PSI, 54 PSI this year. I go under, again, to make sure I have no leaks and as she is up on stands I don't run at more than idle speed.
I know it's not the correct way to test the pumps, but both should be running if the temp gauge is pined left. I figure if it ever gets to 50 psi then I will do a proper psi test as per the FSM. So far, knocking on wood, the Bosch pumps have done right by me.
Tom