More and more drivers are trying to take care of their cars on their own. This outcomes in significant savings because contemporary cars involve more and more maintenance and are done up of more and more technical parts that lead to new breakdowns or inconveniences. One of the complications that disturbs more and more Audi Q5 owners is a clogged air flow meter, which will result in a loss of power and black exhaust fumes. In this article we are going to take a look at how to clean the mass air flow sensor of your Audi Q5? . 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 Q5 .

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Utility and action of the mass air flow meter of a Audi Q5

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So we begin our content with the procedure and aim of your Audi Q5 flowmeter.

The goal of the mass air flow sensor on Audi Q5

The mass air flow sensor is a part that has been developed quite not long ago and specifically equipped on diesel models. In actual fact, with injection engines, the fuel and air intake has become very precise and it is therefore essential for the ECU to know the exact volume of air loaded into the engine to change 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 Q5, do not think twice to consult our content on this subject.

Mass air flow sensor operation on Audi Q5

Now, we are going to examine how it works, before trying to clean the mass air flow sensor of your Audi Q5 , you must already understand how it works to achieve this maintenance action properly.

The mass air flow sensor is therefore specifically there to collect info on the air intake of your car. To get this done, it must be fitted just after the air intake of your Audi Q5, i. e. just after the air filter. It is a pipe equipped with a sensor that will review the air in the intake and transmit the info to the ECU of your car.

Why clean the mass air flow sensor of a Audi Q5?

The mass air flow sensor of your Audi Q5 can have complications and this is what we will try to see and discover what complications you might be struggling with!

Mass air flow sensor complications Audi Q5

Here are the different complications that the air flow sensor of your Audi Q5 can generate:

  • higher fuel consumption: Because a dirty flow meter will necessarily end in higher fuel consumption caused by poor air flow…
  • Power loss: Related to similar issue, this lack of air can generate a loss of power to your engine.
  • Difficulties starting the car: Finally, one of the last classic complications linked to a dirty flowmeter will be that your Audi Q5 will have more difficulties to begin the car.

How do I clean the mass air flow sensor from a Audi Q5?

After reviewing the operation and concerns that the flowmeter can generate, we will look at how to solve these complications by explaining to you how to clean the mass air flow sensor of your Audi Q5 . You should know that this procedure is quite basic to conduct and you will not need advanced mechanical expertise to do it your self, a good way to avoid a trip to the garage and a steep bill. See down below the different steps to follow to conduct this maintenance act:

  • After having found the mass air flow sensor of your Audi Q5 , you will have to dismantle it. To get this done, action 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 Q5 . This sensor will, with 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 properly, it is in this sense that it will disturb the operation of the engine unit of your Audi Q5. The goal of this cleaning will be to remove all its impure substances to allow 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 remove 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 careful, in any other case your mass air flow sensor will be permanently broken. 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 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 Q5 , you should feel a noticeable difference in the behavior of your engine unit.

If you have any additional questions about the Audi Q5, do not hesitate to consult our Audi Q5 category.