More and more motorists are trying to maintain their cars by themselves. This outcomes in significant cost savings because contemporary cars require 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 disturbs more and more Jeep Grand Cherokee 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 check out how to clean the mass air flow sensor of your Jeep Grand Cherokee? . First, we will teach you how your mass airflow sensor functions and its advantages, second, why it might be relevant to clean this sensor , and finally, how to clean the mass air flow sensor of a Jeep Grand Cherokee .

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Utility and operation of the mass air flow meter of a Jeep Grand Cherokee

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So we start our article with the process and point of your Jeep Grand Cherokee flowmeter.

The purpose of the mass air flow sensor on Jeep Grand Cherokee

The mass air flow sensor is a component that has been developed actually quite lately and specifically supplied on diesel models. In fact, with injection engines, the fuel and air intake has become very precise and it is therefore important for the ECU to know the exact volume of air loaded into the engine to modify the behaviour of complementary intake parts such as the injection or the EGR valve, if you have problems with the EGR valve on your Jeep Grand Cherokee, do not hesitate to consult our article on this subject.

Mass air flow sensor operation on Jeep Grand Cherokee

Now, we are going to have a look at how it functions, before trying to clean the mass air flow sensor of your Jeep Grand Cherokee , you must already find out how it functions to do this maintenance act properly.

The mass air flow sensor is therefore specifically there to get statistics on the air intake of your motor vehicle. To achieve this, it must be set up just after the air intake of your Jeep Grand Cherokee, i. e. just after the air filter. It is a pipe supplied with a sensor that will analyze the air in the intake and transmit the statistics to the ECU of your car.

Why clean the mass air flow sensor of a Jeep Grand Cherokee?

The mass air flow sensor of your Jeep Grand Cherokee can have problems and this is what we will try to see and understand what problems you might be facing!

Mass air flow sensor problems Jeep Grand Cherokee

Here are the different problems that the air flow sensor of your Jeep Grand Cherokee can trigger:

  • higher fuel consumption: Because a dirty flow meter will necessarily end in higher fuel consumption due to poor air flow…
  • Power loss: Linked to the same problem, this lack of air can trigger a loss of power to your engine.
  • Difficulties starting the car: Finally, one of the last traditional problems connected to a dirty flowmeter will be that your Jeep Grand Cherokee will have more difficulties to start the vehicle.

How do I clean the mass air flow sensor from a Jeep Grand Cherokee?

After reviewing the operation and complications that the flowmeter can trigger, we will look at how to solve these problems by showing to you how to clean the mass air flow sensor of your Jeep Grand Cherokee . You should know that this operation is actually quite simple to conduct and you will not need advanced mechanical expertise to do it your self, a good method to avoid a trip to the garage and a steep bill. See below the different steps to follow to conduct this maintenance act:

  • After having located the mass air flow sensor of your Jeep Grand Cherokee , you will have to dismantle it. To achieve this, 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 taken apart, you will have the ability to move forward to the step cleaning the mass air flow sensor of your Jeep Grand Cherokee . 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 properly, it is in this sense that it will disrupt the operation of the engine of your Jeep Grand Cherokee. The purpose of this cleaning will be to remove all its impurities 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 cautious, otherwise 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 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 Jeep Grand Cherokee , you should feel a noticeable difference in the behavior of your engine.

If you want more tutorials on the Jeep Grand Cherokee, go to our Jeep Grand Cherokee category.