The ECU, also known as the car computer, is responsible for controlling the electronic systems in your vehicle. It gathers input from various sensors, analyzes the data, and makes adjustments to ensure that the engine runs smoothly and efficiently. The problem could be related to your car's electronic control unit (ECU), powertrain control module (PCM), or engine control module (ECM). In this article, we will delve into the functions of these crucial components, how they work together to ensu...