You’ve almost certainly already heard about the renowned EGR valve, the anti-pollution valve. It is not usually appreciated by motorists because it is likely to create more problems than anything else… Actually, determined by the use you are going to make of your automobile, it can become clogged and cause you a lot of problems. If this is the situation, you are almost certainly concerned about how to clean the EGR valve of your Nissan Armada ? Don’t get worried, we’ve well prepared this article content to help you with this process. To accomplish this, we will first look at the goal of the EGR valve, then what are the failures that the EGR valve of your Nissan Armada can trigger and to finish the part that will almost certainly concern you the most, how to clean the EGR valve Nissan Armada?


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

Role of the EGR valve

The EGR valve of your car has been added to diesel engines primarily to lower pollution released by cars and to meet EURO requirements on Nissan Armada . It will as a consequence control the quality of exhaust gas output and eradicate toxic particles, mainly Nitrogen Oxide.

Operation of the EGR valve

Before we discover how to clean the EGR valve on your Nissan Armada , we will take a look at how it functions. As described before, its mission is to clean the exhaust gases, so it will be placed 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 eradicate all unburned toxic particles. It will perform mostly at low speed because at high speed the combustion is enough to burn all these gases.

How to clean your Nissan Armada EGR valve: Identifying faults

The EGR valve, even though very effective to limit the pollution emissions of your Nissan Armada , will sadly tend to clog up because of soot/gas deposits that will accumulate in its system, which will inevitably risk blocking the operation of the valve, until totally blocking the engine unit, here are the signs of illness that a defective EGR valve on your Nissan Armada can trigger:

  • Motor light on
  • Power loss
  • Technical assesment rejected
  • Black gases
  • Vehicle that grazes at low speed
  • Low RPM settings

How to clean your Nissan Armada EGR valve: In practice

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

Do it on your own

How to clean your Nissan Armada EGR valve system: Without taking it apart

Nevertheless this process is less efficient, it is however possible to consider a “rough” cleaning of your EGR valve, in fact, you will only need to use fuel additives, similar to the products used to clean the injection. These specific products 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 Armada.

How to clean your car EGR valve: With disassembly

Here is the more effective process, which will require enough access to the EGR valve to conduct the treatment without help. If so, the operation is fairly simple. 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 simple steps are completed, now comes the time for cleaning. To make this happen, 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 conduits 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 Armada.

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 auto parts that hinder access for example), how to clean the EGR valve of your Nissan Armada? In cases like this, it would be better rather than launching yourself into an overly complex process, you turn to an auto mechanic. He will be able to perform the job more cleanly and will be able, if necessary, to change the valve if it is dead. The cost of cleaning determined by the difficulty of access is between 70 and 300 €.

Remove the EGR valve of your Nissan Armada

At last, a number of people make a more radical decision to limit the risk of a failed valve. Instead of cleaning the EGR valve of their Nissan Armada, they simply choose to block it in the closed position. This treatment will have the result of greatly increasing the pollution released by the automobile, of no longer complying with pollution criteria, of having an engine warning light permanently 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 check out our dedicated page.

If you want more guides on the Nissan Armada, go to our Nissan Armada category.