Air Flow Meter/Sensor

OUTPUT FREQUENCY
At Idle 23 - 49 Hertz
At 2,500 RPM 51 - 91 Hertz
Racing engine should increase the frequency

AIRFLOW VOLUME
At Idle 1.5 - 3.7 gal./sec.
At 2,500 RPM 5.8 - 9.4 gal./sec.

CALCULATION LOAD VALUE
At Idle 12 - 30%
At 2,500 RPM 13 - 21%

NOTE: All readings taken using scan tool.