You’ve almost certainly already heard of the famous EGR valve, the anti-pollution valve. It is not usually appreciated by motorists because it tends to develop more problems than anything else… In fact, based on the use you are going to make of your automobile, it can become congested and bring about you a lot of concerns. If this is the case, you are almost certainly concerned about how to clean the EGR valve of your Nissan Cube ? Don’t get worried, we’ve made this article content to help you with this task. To accomplish this, we will initially look at the goal of the EGR valve, then what are the failures that the EGR valve of your Nissan Cube can bring about and at last the part that will almost certainly appeal you the most, how to clean the EGR valve Nissan Cube?

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

Purpose of the EGR valve

The EGR valve of your car has been integrated to diesel engines primarily to lower pollution released by cars and to match EURO specifications on Nissan Cube . It will consequently influence the quality of exhaust gas output and eradicate toxic particles, mainly Nitrogen Oxide.

Operation of the EGR valve

Before we learn how to clean the EGR valve on your Nissan Cube , we will take a look at how it functions. As described just before, its objective 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 function mostly at low speed because at high speed the combustion is enough to burn all these gases.

How to clean your Nissan Cube EGR valve: Identifying faults

The EGR valve, despite the fact very beneficial to limit the pollution emissions of your Nissan Cube , will unfortunately tend to clog up because of soot/gas deposits that will build up in its system, which will inevitably risk obstructing the operation of the valve, until totally blocking the engine, here are the symptoms that a defective EGR valve on your Nissan Cube can provoke:

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

How to clean your Nissan Cube EGR valve: In practice

And now we’ll commence the part you are most enthusiastic 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 Nissan Cube EGR valve system: Without taking it apart

Despite the fact this process is less efficient, it is however possible to consider a “rough” cleaning of your EGR valve, the reality is, you will only need to use fuel additives, similar 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 Cube.

How to clean your car EGR valve: With disassembly

Here is the strongest process, which will require enough access to the EGR valve to do the process on your own. If so, the process 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 steps 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 Cube.

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 parts that hinder access for example), how to clean the EGR valve of your Nissan Cube? 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 necessary, to change the valve if it is dead. The cost of cleaning based on the difficulty of access is between 70 and 300 €.

Remove the EGR valve of your Nissan Cube

Finally, some individuals make a more radical decision to limit the risk of a failed valve. Instead of cleaning the EGR valve of their Nissan Cube, they just prefer 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 all day on and in the end risk fouling the engine. We strongly advise 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 wish more tutorials on the Nissan Cube, go to our Nissan Cube category.