Originally posted by kenny012nj I just installed a set of FIC 750CC injectors in my car and it just won't idle. When I play around the safcII and put the Hi/Lo at -50% and the car starts but won't idle. It also starts detonating while running.... Below is a list of what I've done to the car: AFCII/Stage 2 Rebuild engine 420A/stage 2 Hahns turbo kit/fic 750cc Injectors/255 walbro fuel pump/fm intercooler. Right now, I'm afraid to start it. Can someone help!!!
Yeah. Your injectors are WAY to big for what your mods are man. You are not going to be able to idle on those big ass injectors on the stock ECU. The AFC will not even lean those out far enough to idle on. What is your idle pressure, like 6psi? I would recommend using some 440's injectors for up to about 16psi and you would be golden. Take those out.
