More and more motorists are trying to maintain their cars on their own. This results in significant savings because modern cars necessitate more and more maintenance and are done up of more and more technical components that result in new breakdowns or inconveniences. One of the complications that impacts more and more Audi S3 owners is a clogged air flow meter, which will end in a loss of power and black exhaust fumes. Today we are going to check out how to clean the mass air flow sensor of your Audi S3? . First, we will show you how your mass airflow sensor functions 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 S3 .

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Utility and action of the mass air flow meter of a Audi S3

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So we begin our content page with the process and intent of your Audi S3 flowmeter.

The purpose of the mass air flow sensor on Audi S3

The mass air flow sensor is a component that has been created quite not long ago and mainly supplied on diesel models. In actual fact, 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 injected 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 S3, do not think twice to consult our content page on this subject.

Mass air flow sensor operation on Audi S3

Now, we are going to examine how it functions, before trying to clean the mass air flow sensor of your Audi S3 , you must already understand how it works to achieve this maintenance act accurately.

The mass air flow sensor is therefore mainly there to collect info on the air intake of your car. To achieve this, it must be mounted just after the air intake of your Audi S3, i. e. just after the air filter. It is a pipe supplied with a sensor that will review the air in the intake and transfer the info to the ECU of your car.

Why clean the mass air flow sensor of a Audi S3?

The mass air flow sensor of your Audi S3 can have complications and this is what we will try to find out and discover what complications you may be struggling with!

Mass air flow sensor complications Audi S3

Here are the different complications that the air flow sensor of your Audi S3 can trigger:

  • higher fuel consumption: Because a dirty flow meter will necessarily end in excessive fuel consumption due to poor air flow…
  • Power loss: Linked to similar issue, this lack of air can trigger a loss of power to your engine.
  • Difficulties starting the vehicle: Finally, one of the last classic complications connected with a dirty flowmeter will be that your Audi S3 will have more troubles to begin the car.

How do I clean the mass air flow sensor from a Audi S3?

After reviewing the operation and complications that the flowmeter can trigger, we will look at how to solve these complications by showing to you how to clean the mass air flow sensor of your Audi S3 . You should know that this operation is quite very easy to carry out and you will not need advanced mechanical expertise to do it yourself, a good way to avoid a trip to the mechanic and a steep bill. Discover down below the different steps to stick to to carry out this maintenance act:

  • After having based the mass air flow sensor of your Audi S3 , you will have to dismantle it. To achieve this, act 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 disassembled, you will be able to move forward to the step cleaning the mass air flow sensor of your Audi S3 . 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 accurately, it is in this sense that it will affect the operation of the engine unit of your Audi S3. The purpose of this cleaning will be to remove all its impure substances to enable it to work efficiently again.
  • Let soak the lower part 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 gentle cleaning of the flow meter filaments. You have to be very watchful, 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 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 S3 , you should feel a noticeable difference in the behavior of your engine unit.

To find more tips on the Audi S3, take a look at the Audi S3 category.