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The Engine Control Unit (ECU): The Brain Behind the Power
The Engine Control Unit (ECU): The Brain Behind the Power
The Engine Management System (EMS) is the sophisticated network that controls your vehicle's engine, and its brain is the Engine Control Unit (ECU). This powerful computer constantly monitors data from a network of sensors throughout the engine to make thousands of calculations per second.
Based on this real-time data, the ECU precisely controls critical functions such as fuel injection, ignition timing, and idle speed. Its primary goals are to maximize power output, ensure fuel efficiency, and minimize harmful emissions. The ECU is what allows a modern engine to be both powerful and clean.
FAQ
Q: What does the 'check engine' light mean?A: It signals that the ECU has detected a fault in the engine management system. A diagnostic tool is needed to read the specific error code stored by the ECU.