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 ...

A service update has been issued for certain 2021 model-year GM trucks and SUVs over an issue related to the vehicles’ engine manifold pressure sensor. The problem: affected GM trucks and SUVs may ...

I own a 1991 Corvette that’s developed an unusual problem: It will not start when cold unless I squirt ether starting fluid into the intake manifold, at which point it starts immediately. Once started ...