help i have a fiat brava 1.4 n reg and keycode light is the only light that comes on when i put key in the ignition. i have the 3 keys 2 blue and 1 red and its been to mechanic and been put on machine but he cant find the fault but says it must be electrical. it will turn over but doesnt seem to catch. it was driving fine until the codelight came on then went to drive it and wouldnt start. please help.