ECU Marelli IAW 4AFB: Funcionamento, Componentes e Principais Defeitos | Vídeo Aula

Want to learn how to repair electronic fuel injection modules? Check out my Electronic Fuel Injection Module Repair Course, with online video lessons, lifetime access, and an exclusive student group on WhatsApp. Click the link below for more details: https://cursoreparoecu.online/ In this video, you will learn about the Marelli IAW 4AFB ECU used in various Fiat models, understand how it works, identify the main components of the board, and learn about the most common defects found when repairing these modules. I also share practical diagnostic tips that can save you a lot of time on the workbench.