I thought i wood treat myself this week and bought a walbro pump for my fez, Fitted it no probs! turned the key but the car would start but after a couple of seconds it would stop try it again same thing and again and again so on!!! Thought it was the pump so i swopped it back to my old one and now it just turns and turns and turns i have removed the pipe from the injectors and there is fuel going to it! I have removed the lead to check for spark and it sparx, I have megasquirt fitted to the car and that is registering that it is working so i dont know what to do now!! A m8 had a cos pump fitted to his s2 (external pump)and he said that the bloke who fitted that changed the fuel pump relay! Do i have to change it? Is it that? HELP PLEASE has anyone had this problem before! IS IT JUST ME THAT EXPERIENCES A LOVE HATE RELATIONSHIP WITH RS'S!! I HATE IT WHEN IT GOES WRONG! (most of the time!) I LOVE IT WHEN IT SLAYS JAP CRAP!! (the rest of the time!) sorry finished wingein now help much appretiated!!