What To Know Before Repairing Your Engine Control Module
The Engine Control Module (ECM) is an onboard computer system that monitors and controls the functioning of a vehicle’s systems. Besides controlling engine timing, the functioning of the emissions control system, and other vital car sensors, the ECM also regulates the fuel to air mixture. Some cars have the Engine Control Unit (ECU), while others have the Powertrain Control Module (PCM). Nonetheless, you should note that ECM, PCM, and the ECU are all onboard computer systems that act as...
