I Will Show You How To Diagnose And Change Out Your Mass Air Flow Sensor In Almost All Chevys Chevrolet Blazer, S10 Astro, Impala, Monte Carlo, Sonic, Cruz, Trailblazer. 1500 Silverado Malibu ...

Your engine needs a steady stream of clean air to function properly, and it's the job of the mass air flow (MAF) sensor to measure and regulate the amount of clean air entering the intake. The ...

The mass air flow sensor (MAF) tells the PC how much air is flowing into the engine; we read that data in grams. So a little air means no foot on the throttle and lots of air means foot to the floor.