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 ...

Your vehicle's MAP sensor plays a crucial role in keeping it performing at its best. Here's how it works and the warning signs that it might be failing.

All fuel-injected Jeeps use a MAP (manifold absolute pressure) sensor to determine how much fuel the engine requires. The MAP sensor monitors engine manifold vacuum and translates that reading ...