I thought I replied to this when you posted it. If you have a scan tool that can check the fuel pressure, check it. It's possible you have a bad pump again. It does happen. Do the test that Jeff says though to see if its the CPK.
2008 Mercury Sable Premier
2014 Ford Focus Electric
1997 Mercury Grand Marquis GS
Moved On: 2000 Sable LS Premium Duratec