What is a mass air sensor?

Answer The mass air sensor is a car component that is used to determine the amount of air that enters the car's engine. It is also known as the "mass air flow sensor" and "air flow meter sensor."PurposeTh... Read More »

Top Q&A For: What is a mass air sensor

How to Tell If a Mass Air Flow Sensor Is Bad?

A mass air flow sensor is a component in your vehicle's engine bay (under the hood) that is used to calculate the mass of air entering the fuel injection system, and ultimately, the engine. The mas... Read More »

How to Replace the Air Mass Sensor on a GM?

The mass air flow (MAF) sensor on a GM vehicle is designed to measure the amount of air coming into the engine. The MAF sensor supplies the powertrain control module (PCM) with this information abo... Read More »

How to Test a Mass Air Sensor?

A Mass Airflow, or MAF, sensor is located inside the air filter housing in your vehicle's engine compartment. It is part of the emissions and engine control system and uses a hot wire element to me... Read More »

How to Know If a Mass Air Flow Sensor Is Bad?

There are several symptoms that can point to a bad mass air flow (MAF) sensor, including rough idle, excessive fuel consumption or not enough fuel reaching the injectors, engine stalling and even d... Read More »