After replacing my coil, wires, plugs, cap, rotor and distributor i have come to the conclusion that my ECU is the reason why my car won't spark. I checked the main relay yesterday and that checks out fine. When i put the ignition in the ON position my check engine light doesn't come on. So i assume it's my ECU...Before i buy a new one can anyone tell me what i might have missed or why the check engine light doesn't come on when i turn the key to the ON position. Also, how much would a new ECU cost me on a 1993 Honda Prelude Si 4WS? I don't want to buy one if i don't have to....Thanks