Learn more on what a Map Sensor is and it’s failing symptoms. Our team of experts put together a guide on everything you need to know about map sensors.

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 ...

The P0171 "System Too Lean, Bank One" fault code you experienced is only one of the many fault codes a MAF sensor can set when under- or over-reporting the amount of air flowing into the engine.