How to test a MAF sensor using a Picoscope - GM

ScannerDanner
ScannerDanner
85.3 هزار بار بازدید - 12 سال پیش - In this video I will
In this video I will show you how to test a GM 3-wire MAF sensor using a lab scope. GM uses a frequency or digital type of sensor which will produce signals ranging from 2000 to 10000 Hertz (cycles per second). I will also show you how to identify and clean a dirty MAF sensor.

Engine Performance Diagnostics chapter 12 page 7

Symptoms
 - stalling
 - poor acceleration
 - check engine light (MAF sensor codes)
 - low power
 - surging or bucking

Tests shown
 - how to test a digital type MAF on a lab scope
 - how to graph a digital signal
 - how to measure a variable frequency signal on a scope
 - how to identify and clean a dirty MAF sensor

Playlist
 - (Chapter 12) Mass Airflow Sensor Testing
(Chapter 12) Mass Airflow Sensor Testing

Related videos
 - How to test a GM MAF Sensor (Part 1)
How to test a GM MAF Sensor (Part 1)
 - How to test a GM MAF Sensor (Part 2)
How to test a GM MAF Sensor (Part 2)
 - False MAF sensor codes, bad engine computer - (Chevy van)
MAF sensor code P0102 from bad engine...
 - MAF and lean codes from a missing air filter (P0171, P0174, P0102) Cold Air Intake Warning! (missing air...

For more information on this topic, I have written a “field manual” called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book.
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12 سال پیش در تاریخ 1390/12/22 منتشر شده است.
85,317 بـار بازدید شده
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