The airflow meter, also called the Mass Air Flow (MAF) sensor, is an electronic component in a Toyota Corolla's air intake system.
Its main function is to measure the amount of air entering the engine and send that information to the Engine Control Unit (ECU).
1. Main functions
Measures incoming engine air.
Sends airflow readings to the ECU.
Helps regulate the air-fuel mixture.
Supports smooth engine performance.
Helps improve fuel efficiency and reduce emissions.
2. Common symptoms of a faulty airflow meter
Poor fuel economy.
Engine hesitation during acceleration.
Rough idling.
Engine stalling.
Loss of engine power.
Check Engine light c