More and more motorists are trying to take care of their vehicles by themselves. This outcomes in significant savings because modern cars require more and more maintenance and are made up of more and more technical components that lead to new breakdowns or inconveniences. One of the problems that affects more and more Audi Q7 owners is a clogged air flow meter, which will bring about a loss of power and black exhaust fumes. Today we are going to look at how to clean the mass air flow sensor of your Audi Q7? . First, we will explain how your mass airflow sensor works and its advantages, second, why it might be relevant to clean this sensor , and at last, how to clean the mass air flow sensor of a Audi Q7 .

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Utility and operation of the mass air flow meter of a Audi Q7

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So we begin our content with the operation and aim of your Audi Q7 flowmeter.

The aim of the mass air flow sensor on Audi Q7

The mass air flow sensor is a component that has been created actually quite not too long ago and principally equipped on diesel models. In truth, with injection engines, the fuel and air intake has become very precise and it is so essential for the ECU to know the exact volume of air added into the engine to adapt 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 Q7, do not think twice to consult our content on this subject.

Mass air flow sensor operation on Audi Q7

Now, we are going to look at how it works, before trying to clean the mass air flow sensor of your Audi Q7 , you must already find out how it functions to achieve this maintenance work correctly.

The mass air flow sensor is therefore principally there to obtain statistics on the air intake of your motor vehicle. To do this, it must be mounted just after the air intake of your Audi Q7, i. e. just after the air filter. It is a pipe equipped with a sensor that will analyze 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 Q7?

The mass air flow sensor of your Audi Q7 can have problems and this is what we will try to see and discover what problems you might be struggling with!

Mass air flow sensor problems Audi Q7

Here are the different problems that the air flow sensor of your Audi Q7 can cause:

  • higher fuel consumption: Because a dirty flow meter will actually end up in more significant fuel consumption due to poor air flow…
  • Power loss: Related to the same problem, this lack of air can cause a loss of power to your engine.
  • Difficulties starting the automobile: Finally, one of the last traditional problems connected with a dirty flowmeter will be that your Audi Q7 will have more difficulties to begin the car.

How do I clean the mass air flow sensor from a Audi Q7?

After reviewing the operation and problems that the flowmeter can cause, we will look at how to fix these problems by explaining to you how to clean the mass air flow sensor of your Audi Q7 . You should know that this operation is actually quite very easy to carry out and you will not need advanced mechanical expertise to do it your self, a good method to avoid a trip to the garage area and a steep bill. Discover down below the different steps to stick to to carry out this maintenance act:

  • After having found the mass air flow sensor of your Audi Q7 , you will have to dismantle it. To do this, work gently, but you will just have to disassemble it on both sides of the air duct and disconnect the electrical plug on top of it.
  • Once taken apart, you will be able to proceed to the step cleaning the mass air flow sensor of your Audi Q7 . This sensor will, over time, 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 disrupt the operation of the engine of your Audi Q7. The aim of this cleaning will be to take out all its impure substances 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 gentle cleaning of the flow meter filaments. You have to be very cautious, in any other case 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 damaging it, you can also 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 Q7 , you should feel a noticeable difference in the behavior of your engine.

If you need more guides on the Audi Q7, go to our Audi Q7 category.