You need the ST tank, the fuel pressure regulator is in the tank on a ST and on the Fuel rail on 1.25/1.4 it waits for a signal from the PCM to tell it to shut off.
_________________________
2011 Focus 3-door Zetec 1.6 TDCi.
Previous <img src="/images/graemlins/stemo.gif" alt="" />s - 2006 Panther Black & 2007 Red. Gone and quite forgotten <img src="/images/graemlins/lol.gif" alt="" />