how to test mass air flow sensor with scanner

With the black multimeter test lead and a wire-piercing-probe probe the. You can test the mass air.


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Httpsamznto2DTTDuJEngine light is often triggered by bad or dirt.

. Ford has used a Hot-Wire type mass air flow sensor for many years that. The manual version of the Automotive Mass Air Flow Sensor MAFS Test Stand is an air flow measurement test stand designed for setting and measuring the mass flow rate of through. Yes the mass air flow sensors main job is to read and measure the amount of oxygen that comes into the engine to keep the best air-to-fuel ratio to improve performance.

In addition a faulty mass air flow sensor might cause the Check Engine or Service Engine Soon light to come on. MASS AIR FLOW SENSOR TEST Scanner Used in the video. Connect to the vehicles computer and stream the MAF grams per second GPS reading.

All youll need to test the MAF sensor with this tutorial is a multimeter that can read Hertz frequency if you dont have one Ive made a recommendation on where you can buy a reasonably priced. You can test the mass air flow sensor using a scanner or a voltmeter. Replacement IAT Sensor - Direct Fit Sold individually 849 4 Reviews As ordered not much more to say.

The Mass Air Flow Sensors Signal Wire Test Turn the ignition of the car off. Connect the black lead to the negative terminal of the battery or. HOW TO KNOW IF MAF SENSOR IS BAD.

Using an OBD-II scanner check for codes and reset any faults. You can perform a road test to check the IAT sensor voltage which should be at least 5 volts. Connect the MAF sensor to the connector.

MASS AIR FLOW SENSOR. The frequency specification I quote in this video will differ depending on engine size but the electrical tests shown particularly in part 2 are universal and apply to ALL GM MAF sensors. Set the multimeter to frequency scale.

You can get a reading of the MAF sensor with an advanced scan tool. In this test tutorial Ill show you how to test the mass air flow sensor to see if its bad and lighting up the check engine light or not. This MAF test is done in 3 easy steps.


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