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 ...

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 ...

If the mass airflow sensor does not glow red within a couple of minutes of the engine being shut off check to see if the relays are applying voltage to the mass air flow sensor. These two wires ...

Affected components: mass air flow (MAF) sensor. Number of affected vehicles: At this time, GM has not disclosed how many vehicles are believed to be affected by this recall.