The ECM, or Engine Control Module, is similar to the ECU in that it manages engine functions but is typically used in older vehicle models. It controls ignition timing, fuel injection, and emissions systems to keep the engine running smoothly. In conclusion, understanding the role of ECU, PCM, and ECM in your vehicle is paramount for maintaining optimal performance and efficiency. By recognizing the importance of these control modules and being aware of potential issues, you can effectively a...

The ECM, or Engine Control Module, is similar to the ECU in that it manages engine functions but is typically used in older vehicle models. It controls ignition timing, fuel injection, and emissions systems to keep the engine running smoothly. In conclusion, understanding the role of ECU, PCM, and ECM in your vehicle is paramount for maintaining optimal performance and efficiency. By recognizing the importance of these control modules and being aware of potential issues, you can effectively a...