Your welcome of course, go over your work and the entire system. The pressure is supposed to hold at or around the high pressure the new pump should be running at. If there is even a small leak the pressure drops off immediately after you shut the engine down, and thus a long cranking time to get the pressure up again. So make sure that it holds at least 10 minutes or so before dropping back down, or this would indicate a leak somewhere at the work you just did, or at another spot you haven't even touched.
It should be running at 48-55psi and hold for a few minutes after you shut it down. If not inspect it visibly for air leaks(fuel leak). Ok Then check it for codes using thescan tool. It may be something else. Autozone has a scanner and will help you with this, give them a call. If you need help, just let me know. Bye for now.
Wednesday, March 17th, 2010 AT 9:11 PM