Hi everybody, I need serious help trying to diagnose a problem with my disco. The engine is running on 4 cylinders, I ohm checked the coils and they all checked out, I switched the 2 non functioning coils with the 2 that were working, ran on the same 4 cylinders. I do not recall what 4 cylinders are working as I don't have room for it at my appartment and it is in a storage lot. I was told that the 4 coils share a ground that completes the circut and signals the spark to the compressed air/fuel cylinder and a "dead" cylinder. I have tried locating any bad wiring or connections and can't find any. I also replaced the crankshaft sensor incase it was not sending a signal. Could it be ECU related? Any help is gladly appreciated!