How to Check the Engine Control Unit in a Car – A Complete Guide
The engine control unit, commonly referred to as the ECU (Engine Control Unit) or ECM (Engine Control Module), is the true brain of every modern vehicle. It is responsible for gathering data from dozens of sensors and, based on that, adjusting fuel dosing, ignition timing, boost pressure, and emission control systems in fractions of a second. When this crucial component starts to malfunction, ...