Thank you for the donation.
No, it is not a problem with the fuel pressure regulator if the fuel pump is not running.
The voltage should be battery voltage at the fuel pump and since you are only getting 7.3 volts, something is wrong somewhere.
Is your engine 4.0, 4.6 or 5.4 L?
Did you test the voltage at the fuel pump relay?
Monday, May 24th, 2010 AT 10:03 AM