As motorists are well aware, the sudden illumination of a vehicle’s check engine light typically indicates an of one sort or another. In fact, a check engine light serves as a visual cue, signaling the storage of one or more … Read more
Though automotive design and manufacturing processes have advanced significantly over the past several decades, even the best of vehicles are far from mechanically bulletproof. Therefore, we as motorists, attempt to carefully maintain our vehicles, while also expecting the occasional breakdown. … Read more
Few things can cause your heart to sink in your chest like a sudden check engine light on the dash. But once you claw your heart back into place and get the code read, you’ve still only completed half the … Read more
Before vehicle computers were invented, cars and trucks used a system of mechanical and pneumatic devices to manage systems such as valve timing and idle speed. Now, modern vehicles have a complex system of sensors and actuators connected to computers … Read more
The Powertrain Control Module (PCM) is a sophisticated piece of machinery. It receives data from a range of sensors. The Engine Control Module (ECM) and the Transmission Control Module (TCM) are both examples of systems that the PCM monitors. Remarkably, … Read more
The engine control unit (ECU), also referred to as the engine control module (ECM), is an electronic module that controls the function of the engine. This is done through a series of electronic components and sensors which compute data back … Read more