More and more drivers are trying to maintain their cars on their own. This results in considerable cost savings because modern cars require more and more maintenance and are made up of more and more technical components that result in new breakdowns or inconveniences. One of the problems that affects more and more Audi A6 owners is a clogged air flow meter, which will end in a loss of power and black exhaust gases. In this article we are going to examine how to clean the mass air flow sensor of your Audi A6? . First, we will describe how your mass airflow sensor operates and its value, second, why it may be important to clean this sensor , and finally, how to clean the mass air flow sensor of a Audi A6 .

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Utility and action of the mass air flow meter of a Audi A6

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So we start our content page with the procedure and purpose of your Audi A6 flowmeter.

The intent of the mass air flow sensor on Audi A6

The mass air flow sensor is a part that has been developed actually quite recently and specifically equipped on diesel models. In truth, with injection engines, the fuel and air intake has become very precise and it is so important for the ECU to know the exact volume of air added into the engine to modify the actions of complementary intake parts such as the injection or the EGR valve, if you have problems with the EGR valve on your Audi A6, do not hesitate to consult our content page on this subject.

Mass air flow sensor operation on Audi A6

Now, we are going to have a look at how it operates, before trying to clean the mass air flow sensor of your Audi A6 , you must already understand how it works to achieve this maintenance act correctly.

The mass air flow sensor is therefore specifically there to obtain statistics on the air intake of your car. To do this, it must be fitted just after the air intake of your Audi A6, i. e. just after the air filter. It is a pipe equipped with a sensor that will review the air in the intake and transfer the statistics to the ECU of your car.

Why clean the mass air flow sensor of a Audi A6?

The mass air flow sensor of your Audi A6 can have problems and this is what we will try to see and discover what problems you may be struggling with!

Mass air flow sensor problems Audi A6

Here are the different problems that the air flow sensor of your Audi A6 can bring about:

  • higher fuel consumption: Because a dirty flow meter will necessarily end in excessive fuel consumption caused by poor air flow…
  • Power loss: Linked to the same problem, this lack of air can bring about a loss of power to your engine.
  • Difficulties starting the automobile: Finally, one of the last classic problems associated with a dirty flowmeter will be that your Audi A6 will have more issues to start the car.

How do I clean the mass air flow sensor from a Audi A6?

After looking at the operation and concerns that the flowmeter can bring about, we will look at how to resolve these problems by describing to you how to clean the mass air flow sensor of your Audi A6 . You should know that this operation is actually quite very easy to execute and you will not need advanced mechanical expertise to do it your self, a good method to avoid a trip to the garage and a steep bill. Discover below the different steps to follow to execute this maintenance act:

  • After having found the mass air flow sensor of your Audi A6 , you will have to dismantle it. To do this, act gently, but you will just have to disassemble it on both sides of the air duct and detach the electrical plug on top of it.
  • Once disassembled, you will be able to continue to the step cleaning the mass air flow sensor of your Audi A6 . This sensor will, as time passes, get dirty and its two “filaments” that will give information to your computer on the quality and temperature of the air will no longer be able to collect data correctly, it is in this sense that it will affect the operation of the engine unit of your Audi A6. The intent of this cleaning will be to take out all its harmful particles to enable it to work efficiently again.
  • Let soak the lower section of your mass air flow sensor (not the plug part) in acetone or another solvent for a few minutes , which will take out most of the grime
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  • Now we’ll move on to the very delicate cleaning of the flow meter filaments. You have to be very cautious, otherwise your mass air flow sensor will be permanently damaged. With the help of a fine brush and solvent, gently clean the two filaments of your mass air flow sensor . If you are too afraid of harming it, you can as well clean them with a brake fluid in the form of an aerosol by spraying the jet on these filaments.

Now you know how to clean the mass air flow sensor of your Audi A6 , you should feel a noticeable difference in the behavior of your engine unit.

If you need more guides on the Audi A6, go to our Audi A6 category.