You can test this function in a few different ways ... off check to see if the relays are applying voltage to the mass air flow sensor. These two wires are easily seen in a wiring diagram of ...

That's particularly true of the engine's Mass Air Flow (MAF) sensor. As part of the performance-boosting air intake system, the MAF monitors how much air is entering the engine, helping regulate ...

(hot wire automotive mass air flow sensor) Primary components of a Hot Wire MAF ... The underlying principle that makes the sensor function is the same as the traditional hotwire technique. This ...

He decided to replace this with a modern mass air flow (MAF) sensor instead, and documented the process online. The output of the sensors was compared with a rig built using a vacuum cleaner to ...