The ECU, or Engine Control Unit, is responsible for controlling various engine functions, such as ignition timing, fuel delivery, and emissions systems. It plays a crucial role in optimizing engine performance and improving fuel efficiency. What is an ECU, PCM, and ECM? Electronic Control Unit (ECU), Powertrain Control Module (Mazda Tribute Hybrid PCM), and Engine Control Module (ECM are all terms used interchangeably to refer to the computer system that controls various aspects of your veh...

The ECU, or Engine Control Unit, is responsible for controlling various engine functions, such as ignition timing, fuel delivery, and emissions systems. It plays a crucial role in optimizing engine performance and improving fuel efficiency. What is an ECU, PCM, and ECM? Electronic Control Unit (ECU), Powertrain Control Module (PCM), and Engine Control Module (ECM are all terms used interchangeably to refer to the computer system that controls various aspects of your vehicle's performance. H...