More and more motorists are trying to take care of their vehicles by themselves. This results in significant savings because contemporary cars necessitate 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 Mercedes Classe A 3 owners is a clogged air flow meter, which will result 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 Mercedes Classe A 3? . First, we will teach you how your mass airflow sensor works and its value, second, why it may be relevant to clean this sensor , and finally, how to clean the mass air flow sensor of a Mercedes Classe A 3 .
Utility and operation of the mass air flow meter of a Mercedes Classe A 3
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So we start our content with the procedure and goal of your Mercedes Classe A 3 flowmeter.
The goal of the mass air flow sensor on Mercedes Classe A 3
The mass air flow sensor is a part that has been developed actually quite lately and mainly equipped on diesel models. Obviously, 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 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 Mercedes Classe A 3, do not hesitate to consult our content on this subject.
Mass air flow sensor operation on Mercedes Classe A 3
Now, we are going to check out how it works, before trying to clean the mass air flow sensor of your Mercedes Classe A 3 , you must already understand how it works to do this maintenance action accurately.
The mass air flow sensor is consequently mainly there to get statistics on the air intake of your car. To get this done, it must be mounted just after the air intake of your Mercedes Classe A 3, 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 Mercedes Classe A 3?
The mass air flow sensor of your Mercedes Classe A 3 can have problems and this is what we will try to find out and discover what problems you may be struggling with!
Mass air flow sensor problems Mercedes Classe A 3
Here are the different problems that the air flow sensor of your Mercedes Classe A 3 can generate:
- higher fuel consumption: Because a dirty flow meter will actually lead to higher fuel consumption caused by poor air flow…
- Power loss: Associated with similar issue, this lack of air can generate 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 Mercedes Classe A 3 will have more issues to start the vehicle.
How do I clean the mass air flow sensor from a Mercedes Classe A 3?
After looking at the operation and problems that the flowmeter can generate, we will look at how to resolve these problems by showing to you how to clean the mass air flow sensor of your Mercedes Classe A 3 . You should know that this procedure is actually quite very easy to accomplish and you will not need advanced mechanical expertise to do it yourself, a good method to avoid a trip to the garage and a steep bill. See below the different steps to follow to accomplish this maintenance act:
- After having located the mass air flow sensor of your Mercedes Classe A 3 , you will have to dismantle it. To get this done, action delicately, 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 have the ability to carry on to the step cleaning the mass air flow sensor of your Mercedes Classe A 3 . 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 have the ability to collect data accurately, it is in this sense that it will disrupt the operation of the engine unit of your Mercedes Classe A 3. The goal of this cleaning will be to take out all its impure substances 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
- Now we’ll move on to the very gentle 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, delicately 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.
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Now you know how to clean the mass air flow sensor of your Mercedes Classe A 3 , you should feel a noticeable difference in the behavior of your engine unit.
If you wish more tutorials on the Mercedes Classe A 3, go to our Mercedes Classe A 3 category.
