You’ve almost certainly previously heard of the famous EGR valve, the anti-pollution valve. It is not usually appreciated by car owners because it tends to create more concerns than anything else… In actual fact, dependent on the use you are going to make of your vehicle, it can become blocked and cause you a lot of concerns. If this is the situation, you are almost certainly concerned about how to clean the EGR valve of your Mitsubishi Outlander ? Don’t get worried, we’ve written this content to help you with this operation. To do so, we will initially take a look at the role of the EGR valve, then what are the failures that the EGR valve of your Mitsubishi Outlander can reason and finally the section that will almost certainly interest you the most, how to clean the EGR valve Mitsubishi Outlander?

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How to Clean your Mitsubishi Outlander EGR Valve: Role and Operation

Role of the EGR valve

The EGR valve of your car has been added to diesel engines mostly to lower pollution released by cars and to match EURO specifications on Mitsubishi Outlander . It will as a result influence the quality of exhaust gas output and reduce toxic particles, mainly Nitrogen Oxide.

Operation of the EGR valve

Before we learn how to clean the EGR valve on your Mitsubishi Outlander , we will examine how it functions. As seen just before, its goal is to clean the exhaust fumes, so it will be positioned at the engine outlet, thanks to a valve, it will be able to return the unburned exhaust gases to the engine for a second burn which will reduce all unburned toxic particles. It will operate mostly at low speed because at high speed the combustion is sufficient to burn all these gases.

How to clean your Mitsubishi Outlander EGR valve: Identifying faults

The EGR valve, despite the fact very effective to limit the pollution emissions of your Mitsubishi Outlander , will sadly tend to clog up because of soot/gas deposits that will accumulate in its mechanism, which will finally risk obstructing the functions of the valve, until completely blocking the engine, here are the symptoms that a defective EGR valve on your Mitsubishi Outlander can trigger:

  • Motor light on
  • Performance loss
  • Technical inspection refused
  • Black fumes
  • Vehicle that grazes at low speed
  • Low RPM settings

How to clean your Mitsubishi Outlander EGR valve: In practice

And now we’ll start the section you are most excited about, how to clean the EGR valve of your car. Here are the two techniques that you can use.

Do it yourself

How to clean your Mitsubishi Outlander EGR valve system: Without dismantle

Even though this approach is less efficient, it is however possible to consider a “rough” cleaning of your EGR valve, in reality, you will only need to use fuel additives, similar to the products used to clean the injection. These specific solutions must be injected into the running engine, at the right operating temperature, diluted in about 20 litres of fuel and run the engine for 3 or 4 minutes in high rev to clean the EGR valve of your Mitsubishi Outlander.

How to clean your car EGR valve: With disassembly

Here is the most efficient approach, which will require sufficient access to the EGR valve to conduct the operation yourself. If so, the procedure is fairly straightforward. You will need to disconnect the electromagnet from the EGR valve, remove the few screws that hold it in place, and remove it. Once these guidelines are completed, now comes the time for cleaning. To do this, you will need to use a product such as solvent, petrol, oven cleaning product, which you will leave to act for ten minutes, then scrape off the rest using a scraper, finish cleaning with wire brush. If you want to go further, you can even clean the two canal on which it is connected which may be scorched, for this, use a scraper and a vacuum cleaner to avoid dropping deposits in the conduits. You will only have to reassemble it and you will have finished cleaning the EGR valve of your Mitsubishi Outlander.

Have it done by a professional

If, your EGR valve is not reachable because of the series or the engine of your car and if removing it would cause too many problems (removing too many elements that hinder access for example), how to clean the EGR valve of your Mitsubishi Outlander? In cases like this, it would be better rather than launching yourself into an overly complex operation, you turn to an auto mechanic. He will be able to accomplish the job more cleanly and will be able, if required, to change the valve if it is dead. The cost of cleaning dependent on the difficulty of access is between 70 and 300 €.

Remove the EGR valve of your Mitsubishi Outlander

At last, a number of people make a more radical decision to limit the risk of a failed valve. Rather than cleaning the EGR valve of their Mitsubishi Outlander, they just prefer to block it in the closed position. This modification will have the consequence of greatly increasing the pollution released by the vehicle, of no longer complying with pollution standards, of having an engine warning light all day on and ultimately risk fouling the engine. We strongly suggest against making this choice. If you have other questions or want to learn more about your car, don’t think twice to take a look at our dedicated page.

If you wish more tutorials on the Mitsubishi Outlander, go to our Mitsubishi Outlander category.