USB Autoscope HFM5 AMM Air Mass Meter testing

In this video is shown testing of HFM5 AMM Air Mass Meter.
Typical malfunction symptoms:
- Poor engine performance.
- Stumble on acceleration.
- Malfunction indicator lamp on.
We connect the equipment and record the signals.
We observe the operation of the meter and compare good example with a faulty waveform.
USB Autoscope IV:
usbautoscope.eu/products/usb-...
Mass Air Flow Sensor:
usbautoscope.eu/air-flow-sensor/