hi i really need some help this is doing my head in , i have a r32 with a rb20det had just devoloped a very annoying issue all the car has is a frount mount , 3" exhaust ,dumppipe, 3 month old walbro fuel pump ,full service but gear box oil , now the problem lol ,i warm the car up every morning sounds like a slight miss at idle never affected it befor now the problem is i take off and the car is surging like its dying seems like no fuel then driving around it surges sometimes when you put your foot flat it dies , i come to a set of lights it dies then i start it and it will stall again does this about 2-3 times then will start have to rev it up a bit to get it going going at a constant speed of say 80kmhs and you can feel a slight surging went up a lillte hil and stalled , has fuel have checked the fuel filter clean still had fuel pump out filter element clean checked fuel pressure at idle 41psi the walbro pump when was new had a loud winding now its quiet , have cleaned the AFM out cleaned the acc i think its called any idears would be nice thanks
