Question about 2003 Chevrolet Suburban 1500

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I want to clean the Mass Airflow Sensor on my 2003 Chevrolet Suburban 1500. How to I correctly disconnect the electrical connection:

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  • colin_clinto Aug 29, 2010

    Thank for the response, however my question is: How do I correctly disconnect the electrical harness clip? It is not clear how I "unclip" the electrical harness plug. Thanks!

  • colin_clinto Aug 29, 2010

    How do I correctly unhook the electrical harness connection to a Mass Airflow Sensor on a 2003 Chevrolet Suburban 1500?

  • colin_clinto Aug 30, 2010

    Yes, it was helpful.

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  • Master
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There is a small tap on one side of the connector that when depressed will allow you to open the connector. it will be tight, give it a bit of a wiggle and be sure NOT to pull on the wires.

also, when cleaning the sensor, be careful not to touch any of the grid wires that run through. they are very delicate, and any oil from your skin can cause the sensor to burn out. make sure to use only an actual mass air flow aerosol cleaner, and let air dry. good luck!

Posted on Aug 30, 2010

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The MAF sensor is located in the air duct between the air filter and the throttle body. The mass air flow sensor will have a harness plug attached to it. Simply unplug this harness. Do not forget to plug this back in. If you do not plug this in, the car might be either hard to start, or will start fine, and then not want to idle or rev.Remove the air filter box, and then disconnect the air intake hose clamp from between the mass air flow sensor and the air intake hose.On many modern vehicles, you will notice that the mass air flow sensor is literally bolted to the air box. The only way to unbolt is, is to take the air box apart, and remove the 4 or more bolts that are connected on the inner part of the air intake box.The mass air flow sensor is out now and can be cleaned.Connect again in reverse procedure after you clean it. ------ Thanks. Keep updated for any more query. You can rate this solution and show your appreciation.

Posted on Aug 29, 2010

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