hello everyone,as the title suggests, this fiat stilo 1.6 16v petrol, 2002,goes out and party more, and are not able to get into the engine diagnosis when you do not part,even when you can not enter into the diagnosis there are no error codes.while in abs there are two errors, one related to the communication of abs ,and the engine control unit.the codes do not myself remember them if I can post them tomorrow*****s, is to repair the engine control unit.I kindly ask if someone has pictures or explanations to repair this unit or a manual?I also ask if there is a processor upgrade. thanks in advance to all those who give me answers.