this fiat stilo on the 02 plate 1600 16v. ecu ismarelli iaw 5 nf eobd. Came in with tickover faults, I have cleaned the throtle housing [drive by wire] and reset addaptions, engine ticksover fine but the mil is now flashing and the dash is saying engine fault loose wire but I can not find a loose wire I have checked the earth connections, has anyone had this before. There are no fault code in the ecu memorys. ray