Determining the exact moment to spark the fuel-air mixture.
An is the electronic brain of a vehicle that manages and regulates vital engine functions to ensure optimal performance, fuel efficiency, and emissions control. At its core is the Engine Control Module (ECM) or Unit (ECU) , a specialized computer that continuously processes data from various sensors to adjust engine actuators in real-time. Core Components and Functions Engine control system
Managing the engine's speed when the vehicle is stationary. Determining the exact moment to spark the fuel-air mixture
Adjusting the air-to-fuel ratio for efficient combustion. Core Components and Functions Managing the engine's speed
The development of these systems has shifted from traditional mechanical tuning to a modern approach. This involves:
Based on sensor data, the ECM sends commands to actuators to control critical factors like:
Regulating components like Exhaust Gas Recirculation (EGR) to meet environmental standards. Modern Development and Maintenance