He decided to replace this with a modern mass air flow (MAF) sensor instead, and documented the process online.

Learn how to perform a MAF delete on your EDC15 engine management system. This guide will walk you through the steps to improve air intake and fuel mapping. #CarTuning #EDC15 #MAFDelete Mary Trump ...

Usually, the mass air flow sensor is positioned between the intake manifold and the air filter. The primary function of this part is to measure the amount and density of air entering the engine.

GM has issued a recall for certain units of the Chevy Low Cab Forward 3500 and 4500 models due to an issue with the mass air flow (MAF) sensor.

And if your car's check-engine light is giving you the side-eye, it helps to know about other sensors, too, like the Mass Air Flow sensor and when it goes bad.