The Engine Control Module (ECM) is a crucial component in a car, as it acts as the brain that controls various engine functions. It works in conjunction with multiple sensors, wires, and ...

The EPC Light is a troubleshooting light that appears most commonly on cars made by Volkswagen Audi, but it could be a sign ...

Some of those devices are well-known, like your car's main computer or engine control module (ECM), which helps control things like fuel injection, ignition timing, and various other actions.