More and more motorists are trying to take care of their cars by themselves. This outcomes in considerable savings because modern 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 complications that disturbs more and more Renault Scenic 4 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 Renault Scenic 4? . First, we will show you how your mass airflow sensor operates and its usefulness, second, why it may be relevant to clean this sensor , and finally, how to clean the mass air flow sensor of a Renault Scenic 4 .

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Utility and action of the mass air flow meter of a Renault Scenic 4

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So we start our article with the process and goal of your Renault Scenic 4 flowmeter.

The aim of the mass air flow sensor on Renault Scenic 4

The mass air flow sensor is a part that has been created quite not too long ago and specifically supplied on diesel models. In actual fact, with injection engines, the fuel and air intake has become very precise and it is so necessary for the ECU to know the exact volume of air injected into the engine to change the behaviour of complementary intake parts such as the injection or the EGR valve, if you have problems with the EGR valve on your Renault Scenic 4, do not think twice to seek advice from our article on this subject.

Mass air flow sensor operation on Renault Scenic 4

Now, we are going to check out how it operates, before trying to clean the mass air flow sensor of your Renault Scenic 4 , you must already figure out how it works to do this maintenance work accurately.

The mass air flow sensor is therefore specifically there to get info on the air intake of your car. To get this done, it must be fitted just after the air intake of your Renault Scenic 4, i. e. just after the air filter. It is a pipe supplied with a sensor that will analyze the air in the intake and transfer the info to the ECU of your car.

Why clean the mass air flow sensor of a Renault Scenic 4?

The mass air flow sensor of your Renault Scenic 4 can have complications and this is what we will try to see and discover what complications you may be facing!

Mass air flow sensor complications Renault Scenic 4

Here are the different complications that the air flow sensor of your Renault Scenic 4 can cause:

  • higher fuel consumption: Because a dirty flow meter will actually lead to higher fuel consumption caused by poor air flow…
  • Power loss: Related to similar issue, this lack of air can cause a loss of power to your engine.
  • Difficulties starting the vehicle: Finally, one of the last traditional complications connected with a dirty flowmeter will be that your Renault Scenic 4 will have more difficulties to start the car.

How do I clean the mass air flow sensor from a Renault Scenic 4?

After reviewing the operation and problems that the flowmeter can cause, we will look at how to resolve these complications by describing to you how to clean the mass air flow sensor of your Renault Scenic 4 . You should know that this operation is quite very easy to conduct and you will not need advanced mechanical skills to do it yourself, a good technique 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 Renault Scenic 4 , you will have to dismantle it. To get this done, work 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 carry on to the step cleaning the mass air flow sensor of your Renault Scenic 4 . 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 accurately, it is in this sense that it will affect the operation of the engine unit of your Renault Scenic 4. The aim 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 proceed to the very gentle cleaning of the flow meter filaments. You have to be very careful, 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 destroying 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 Renault Scenic 4 , you should feel a noticeable difference in the behavior of your engine unit.

To get more tips on the Renault Scenic 4, take a look at the Renault Scenic 4 category.