More and more car owners are trying to take care of their cars on their own. This results in substantial cost savings because contemporary cars involve more and more routine service and are done up of more and more technical parts that result in new breakdowns or inconveniences. One of the problems that affects more and more Renualt Express owners is a clogged air flow meter, which will end 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 Renualt Express? . First, we will describe how your mass airflow sensor works 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 Renualt Express .

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Utility and action of the mass air flow meter of a Renualt Express

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So we start our content page with the operation and point of your Renualt Express flowmeter.

The aim of the mass air flow sensor on Renualt Express

The mass air flow sensor is a component that has been created actually quite recently and specifically equipped on diesel models. Obviously, with injection engines, the fuel and air intake has become very precise and it is therefore necessary for the ECU to know the exact volume of air added into the engine to modify the actions of complementary intake parts such as the injection or the EGR valve, if you have problems with the EGR valve on your Renualt Express, do not hesitate to consult our content page on this subject.

Mass air flow sensor operation on Renualt Express

Now, we are going to examine how it works, before trying to clean the mass air flow sensor of your Renualt Express , you must already understand how it works to do this routine service work accurately.

The mass air flow sensor is therefore specifically there to obtain data on the air intake of your motor vehicle. To do this, it must be set up just after the air intake of your Renualt Express, i. e. just after the air filter. It is a pipe equipped with a sensor that will review the air in the intake and transfer the data to the ECU of your car.

Why clean the mass air flow sensor of a Renualt Express?

The mass air flow sensor of your Renualt Express can have problems and this is what we will try to see and understand what problems you may be struggling with!

Mass air flow sensor problems Renualt Express

Here are the different problems that the air flow sensor of your Renualt Express can cause:

  • higher fuel consumption: Because a dirty flow meter will actually end up in excessive fuel consumption caused by poor air flow…
  • Power loss: Associated with similar problem, this lack of air can cause a loss of power to your engine.
  • Difficulties starting the automobile: Finally, one of the last traditional problems connected with a dirty flowmeter will be that your Renualt Express will have more difficulties to start the car.

How do I clean the mass air flow sensor from a Renualt Express?

After reviewing the operation and complications that the flowmeter can cause, we will look at how to resolve these problems by showing to you how to clean the mass air flow sensor of your Renualt Express . You should know that this operation is actually quite basic to perform and you will not need advanced mechanical abilities to do it yourself, a good technique to avoid a trip to the mechanic and a steep bill. See down below the different steps to follow to perform this routine service act:

  • After having found the mass air flow sensor of your Renualt Express , you will have to dismantle it. To do this, work 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 taken apart, you will be able to continue to the step cleaning the mass air flow sensor of your Renualt Express . 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 be able to collect data accurately, it is in this sense that it will affect the operation of the engine of your Renualt Express. The aim of this cleaning will be to take out 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 take out 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 cautious, 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 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 Renualt Express , you should feel a noticeable difference in the behavior of your engine.

If you want more guides on the Renualt Express, go to our Renualt Express category.