More and more motorists are trying to maintain their vehicles by themselves. This results in considerable cost savings because contemporary cars necessitate more and more maintenance and are made up of more and more technical parts that lead to new breakdowns or inconveniences. One of the problems that disturbs more and more Mercury Grand Marquis owners is a clogged air flow meter, which will bring about a loss of power and black exhaust fumes. Today we are going to look at how to clean the mass air flow sensor of your Mercury Grand Marquis? . First, we will explain how your mass airflow sensor functions and its value, second, why it might be important to clean this sensor , and at last, how to clean the mass air flow sensor of a Mercury Grand Marquis .

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Utility and operation of the mass air flow meter of a Mercury Grand Marquis

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So we start our article with the operation and point of your Mercury Grand Marquis flowmeter.

The intent of the mass air flow sensor on Mercury Grand Marquis

The mass air flow sensor is a component that has been created actually quite lately and principally outfitted on diesel models. In actual fact, with injection engines, the fuel and air intake has become very precise and it is consequently 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 Mercury Grand Marquis, do not hesitate to seek advice from our article on this subject.

Mass air flow sensor operation on Mercury Grand Marquis

Now, we are going to check out how it functions, before trying to clean the mass air flow sensor of your Mercury Grand Marquis , you must already figure out how it works to do this maintenance action correctly.

The mass air flow sensor is therefore principally there to get data on the air intake of your motor vehicle. To get this done, it must be installed just after the air intake of your Mercury Grand Marquis, i. e. just after the air filter. It is a pipe outfitted 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 Mercury Grand Marquis?

The mass air flow sensor of your Mercury Grand Marquis can have problems and this is what we will try to see and understand what problems you might be struggling with!

Mass air flow sensor problems Mercury Grand Marquis

Here are the different problems that the air flow sensor of your Mercury Grand Marquis can provoke:

  • higher fuel consumption: Because a dirty flow meter will actually end in excessive fuel consumption because of poor air flow…
  • Power loss: Linked to similar problem, this lack of air can provoke a loss of power to your engine.
  • Difficulties starting the vehicle: Finally, one of the last classic problems connected with a dirty flowmeter will be that your Mercury Grand Marquis will have more troubles to start the vehicle.

How do I clean the mass air flow sensor from a Mercury Grand Marquis?

After going over the operation and problems that the flowmeter can provoke, we will look at how to fix these problems by describing to you how to clean the mass air flow sensor of your Mercury Grand Marquis . You should know that this procedure is actually quite basic to execute and you will not need advanced mechanical skills to do it your self, a good method to avoid a trip to the workshop and a steep bill. See below the different steps to stick to to execute this maintenance act:

  • After having located the mass air flow sensor of your Mercury Grand Marquis , you will have to dismantle it. To get this done, action 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 Mercury Grand Marquis . 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 correctly, it is in this sense that it will disturb the operation of the engine unit of your Mercury Grand Marquis. The intent of this cleaning will be to take out all its harmful particles 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 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 harming 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 Mercury Grand Marquis , you should feel a noticeable difference in the behavior of your engine unit.

To get more tips on the Mercury Grand Marquis, take a look at the Mercury Grand Marquis category.