More and more motorists are trying to take care of their vehicles by themselves. This results in substantial cost savings because contemporary cars require more and more routine service and are done up of more and more technical components that result in new breakdowns or inconveniences. One of the problems that impacts more and more Audi A8 owners is a clogged air flow meter, which will bring about a loss of power and black exhaust fumes. In this article we are going to look at how to clean the mass air flow sensor of your Audi A8? . First, we will describe how your mass airflow sensor works and its usefulness, second, why it might be important to clean this sensor , and finally, how to clean the mass air flow sensor of a Audi A8 .

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Utility and action of the mass air flow meter of a Audi A8

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So we start our article with the procedure and purpose of your Audi A8 flowmeter.

The intent of the mass air flow sensor on Audi A8

The mass air flow sensor is a part that has been created quite recently and mainly outfitted on diesel models. Obviously, with injection engines, the fuel and air intake has become very precise and it is consequently important for the ECU to know the exact volume of air added into the engine to adapt the behaviour of complementary intake parts such as the injection or the EGR valve, if you have problems with the EGR valve on your Audi A8, do not hesitate to consult our article on this subject.

Mass air flow sensor operation on Audi A8

Now, we are going to check out how it works, before trying to clean the mass air flow sensor of your Audi A8 , you must already understand how it works to achieve this routine service act accurately.

The mass air flow sensor is consequently mainly there to collect info on the air intake of your motor vehicle. To get this done, it must be installed just after the air intake of your Audi A8, i. e. just after the air filter. It is a pipe outfitted with a sensor that will analyze 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 A8?

The mass air flow sensor of your Audi A8 can have problems and this is what we will try to discover and figure out what problems you might be struggling with!

Mass air flow sensor problems Audi A8

Here are the different problems that the air flow sensor of your Audi A8 can provoke:

  • higher fuel consumption: Because a dirty flow meter will actually end in higher fuel consumption due to poor air flow…
  • Power loss: Associated with similar issue, this lack of air can provoke a loss of power to your engine.
  • Difficulties starting the vehicle: Finally, one of the last traditional problems associated with a dirty flowmeter will be that your Audi A8 will have more troubles to start the vehicle.

How do I clean the mass air flow sensor from a Audi A8?

After going over the operation and complications that the flowmeter can provoke, we will look at how to solve these problems by explaining to you how to clean the mass air flow sensor of your Audi A8 . You should know that this operation is quite simple to execute and you will not need advanced mechanical expertise to do it your self, a good way to avoid a trip to the garage area and a steep bill. See down below the different steps to follow to execute this routine service act:

  • After having located the mass air flow sensor of your Audi A8 , you will have to dismantle it. To get this done, 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 have the ability to move forward to the step cleaning the mass air flow sensor of your Audi A8 . 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 have the ability to collect data accurately, it is in this sense that it will disrupt the operation of the engine unit of your Audi A8. The intent of this cleaning will be to take out all its harmful particles to allow 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 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 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 destroying 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 A8 , you should feel a noticeable difference in the behavior of your engine unit.

To discover more tips on the Audi A8, take a look at the Audi A8 category.