What Does Manifold Absolute Pressure Mean - Web the acronym map stands for manifold absolute pressure, a critical component in a vehicle's engine. Web when the engine is off, normal manifold absolute pressure is the same as the barometric pressure (atmospheric.
Web the acronym map stands for manifold absolute pressure, a critical component in a vehicle's engine. Web when the engine is off, normal manifold absolute pressure is the same as the barometric pressure (atmospheric.