can anyone help im convertin too efi on me s2 an usein ofab ecu,ive used xr3i loom ,butt do u have too use the fezy engine loom,wen ive come to conect up map sencor its differnt connector ,ive bin on the rs bible web butt still a bit confused

 

you need to cut the map sensor plug off, then cut the plug off your old rst loom that connects to the brake resevuor.

then connect that plug to the map sensor wires in the right order.

can't remember in whch order they go off the top of my head, use a multi meter to do this