Operation CHARM: Car repair manuals for everyone.

Air Flow Meter/Sensor: Testing and Inspection

- Check the volume airflow sensor body for cracks or damage.
- Verify that the measuring core opens smoothly.
- Measure the resistance of the sensor using a circuit tester.


Volume Airflow Sensor Test Connections and Specifications:





- Verify resistance changes gradually between specified terminals as measuring core is moved by hand.
- Replace volume airflow sensor if it fails any of the inspections.