GM has begun a Service Update for certain examples of the 2020-2022 model year Cadillac XT4 crossover over issues related to the vehicle's mass airflow sensor.

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.

The air flow sensor is located directly in the intake air stream, between the air cleaner and throttle body where it can measure incoming air. (hot wire automotive mass air flow sensor) Primary ...

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.

A device in the throttle body, the mass airflow, or MAF, sensor helps the engine computer determine the proper air-fuel mixture by measuring the mass of the air flowing past it. Because a precise ...

A mass air flow sensor is one of the numerous tiny widgets and gewgaws that make up a modern automobile's electronic fuel injection system. In the MAF's case, it tells the car's computer how much ...

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.

Technavio has announced the top six leading vendors in their recent global automotive mass air flow (MAF) sensors market report from 2017-2021.