You’ve almost certainly previously read about the renowned EGR valve, the anti-pollution valve. It is not always appreciated by motorists because it is likely to develop more problems than anything else… Indeed, dependant upon the use you are going to make of your automobile, it can become congested and cause you a lot of trouble. If this is the case, you are almost certainly wondering how to clean the EGR valve of your Nissan Murano ? Don’t be anxious, we’ve written this article content to help you with this task. To accomplish this, we will initially check out the goal of the EGR valve, then what are the failures that the EGR valve of your Nissan Murano can trigger and to finish the section that will almost certainly concern you the most, how to clean the EGR valve Nissan Murano?

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How to Clean your Nissan Murano EGR Valve: Role and Operation

Goal of the EGR valve

The EGR valve of your car has been added to diesel engines mostly to reduce pollution emitted by cars and to match EURO requirements on Nissan Murano . It will therefore influence the quality of exhaust gas output and reduce toxic particles, mainly Nitrogen Oxide.

Operation of the EGR valve

Before we discover how to clean the EGR valve on your Nissan Murano , we will check out how it works. As described before, its goal is to clean the exhaust fumes, so it will be located 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 function mainly at low speed because at high speed the combustion is sufficient to burn all these gases.

How to clean your Nissan Murano EGR valve: Identifying faults

The EGR valve, despite the fact very beneficial to limit the pollution emissions of your Nissan Murano , will unfortunately tend to clog up because of soot/gas deposits that will build up in its system, which will inevitably risk blocking the operation of the valve, until entirely blocking the engine motor, here are the signs of illness that a faulty EGR valve on your Nissan Murano can trigger:

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

How to clean your Nissan Murano EGR valve: In practice

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

Do it on your own

How to clean your Nissan Murano EGR valve system: Without dismantle

Nevertheless this process is less effective, it is however possible to consider a “rough” cleaning of your EGR valve, in reality, you will only need to use fuel additives, equivalent to the products used to clean the injection. These particular 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 Nissan Murano.

How to clean your car EGR valve: With disassembly

Here is the most reliable process, which will require sufficient access to the EGR valve to carry out the process yourself. If so, the operation is fairly easy. 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 accomplished, now comes the time for cleaning. To accomplish 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 as well 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 Nissan Murano.

Have it done by a professional

If, your EGR valve is not accessible 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 Nissan Murano? In cases like this, it would be better rather than launching yourself into an overly complex task, you turn to an auto mechanic. He will be able to carry out the job more cleanly and will be able, if required, to change the valve if it is dead. The cost of cleaning dependant upon the difficulty of access is between 70 and 300 €.

Remove the EGR valve of your Nissan Murano

At last, some individuals make a more radical decision to limit the risk of a failed valve. Rather than cleaning the EGR valve of their Nissan Murano, they just choose to block it in the closed position. This treatment will have the consequence of greatly increasing the pollution emitted by the automobile, of no longer complying with pollution criteria, of having an engine warning light all day on and eventually risk fouling the engine. We highly advise against making this choice. If you have other questions or want to learn more about your car, don’t hesitate to take a look at our dedicated page.

If perhaps you have any further questions about the Nissan Murano, do not hesitate to consult our Nissan Murano category.