Ok so today i had what i guess you could call a breakthough in my fuel surge issue. i pulled out from an intersection, it got up on boost, coughed and spluttered a bit, then as i slowed down for a roundabout, i put my foot on the clutch, the revs took a nose dive to zero, lost all power (obviously) then creeped around the corner out of traffics way, and my engine light came on! so i thought i finally have a fault code to point me in the right direction, so got my diagnostic equipment and plugged in, it came back with stored code p0230 - fuel pump control. its still in the history but the light itself has not returned, even after i got it running, it will idle for a while but wont rev at all. so my new question is, do these things have a separate module for the fuel pump, or is the controller part of the fuel pump itself??