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 ...

When it comes to induction systems, the LS-series powerplants boast some of the best designs out there. This shouldn't come as a huge surprise, considering that these intake components were developed ...

The volumetric efficiency table is probably the most important one in any ECU.The vertical axis is engine load, in this case, MAP, manifold absolute pressure, which is the pressure inside the intake ...