Modern vehicles rely on a massive amount of electrical systems, sensors, and control modules to keep the wheels turning. Some of those devices are well-known, like your car's main computer or engine ...

The manifold absolute pressure sensor reads the amount of pressure or vacuum (also called “engine load”) in the intake manifold, where outside air is divvied up in proper amounts and distributed to ...

Your car is full of electrical components that monitor and control various systems and functions. There are so many that it can be a real pain when one or more of them starts to act up. Complicating ...

The fuel and spark strategies for a supercharged street car are only as smart as the sensors feeding data to the ECM. Here’s what happens when a blown beast’s MAP sensor can’t keep up, and how to fix ...

Your engine’s manifold absolute pressure (MAP) sensor is your little buddy. Buried somewhere in the stream of your charged intake air (usually in the manifold), it employs a little ceramic or silicone ...