You’ve probably already heard of the popular EGR valve, the anti-pollution valve. It is not usually appreciated by drivers because it tends to create more concerns than anything else… Actually, dependant upon the use you are going to make of your automobile, it can become blocked and bring about you a lot of problems. If this is the situation, you are probably concerned about how to clean the EGR valve of your Nissan Versa ? Don’t be anxious, we’ve made this content page to help you with this task. To do this, we will initially look at the intent of the EGR valve, then what are the failures that the EGR valve of your Nissan Versa can reason and to finish the section that will probably interest you the most, how to clean the EGR valve Nissan Versa?

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

Goal of the EGR valve

The EGR valve of your car has been integrated to diesel engines mainly to lower pollution emitted by vehicles and to match EURO specifications on Nissan Versa . It will as a consequence 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 Versa , we will have a look at how it functions. As described just before, its mission is to clean the exhaust gases, 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 principally at low speed because at high speed the combustion is sufficient to burn all these gases.

How to clean your Nissan Versa EGR valve: Identifying faults

The EGR valve, despite the fact very effective to limit the pollution emissions of your Nissan Versa , will sadly tend to clog up because of soot/gas deposits that will accumulate in its mechanism, which will inevitably risk blocking the operation of the valve, until totally blocking the engine unit, here are the symptoms that a defective EGR valve on your Nissan Versa can bring about:

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

How to clean your Nissan Versa EGR valve: In practice

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

Do it on your own

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

Although this technique 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, equivalent 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 Nissan Versa.

How to clean your car EGR valve: With disassembly

Here is the most efficient technique, which will require sufficient access to the EGR valve to carry out the operation 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 simple steps are finished, 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 Nissan Versa.

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 difficulties (removing too many parts that hinder access for example), how to clean the EGR valve of your Nissan Versa? In this instance, 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 Versa

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 Versa, they simply choose to block it in the closed position. This treatment will have the effect of greatly increasing the pollution emitted by the automobile, of no longer complying with pollution criteria, of having an engine warning light permanently on and finally risk fouling the engine. We highly recommend 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.

To find more tips on the Nissan Versa, take a look at the Nissan Versa category.