Every sensor on or in a computer-controlled car or truck talks to the “on-board PC” in a kind of language you’ve never heard or seen. All of the inputs are in a voltage-speak and are all numbers. All ...

The fix is finally here! 🔧 In this video, I clean the MAF (Mass Air Flow) sensor on my Subaru — a simple but powerful step toward getting it to run smoother, idle better, and breathe like it should.

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 ...