You’ve almost certainly previously heard about the famous EGR valve, the anti-pollution valve. It is not always appreciated by car owners because it tends to cause more trouble than anything else… Actually, according to the use you are going to make of your vehicle, it can become congested and bring about you a lot of concerns. If this is the case, you are almost certainly wanting to know how to clean the EGR valve of your Nissan NV ? Don’t be anxious, we’ve prepared this content page to help you with this procedure. To do this, we will first look at the intent of the EGR valve, then what are the failures that the EGR valve of your Nissan NV can reason and finally the part that will almost certainly appeal you the most, how to clean the EGR valve Nissan NV?
How to Clean your Nissan NV EGR Valve: Role and Operation
Role of the EGR valve
The EGR valve of your car has been added to diesel engines mainly to lower pollution emitted by vehicles and to fulfill EURO standards on Nissan NV . It will consequently control the quality of exhaust gas output and eliminate toxic particles, mainly Nitrogen Oxide.
Operation of the EGR valve
Before we discover how to clean the EGR valve on your Nissan NV , we will have a look at how it operates. As described before, its objective 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 eliminate all unburned toxic particles. It will work mostly at low speed because at high speed the combustion is sufficient to burn all these gases.
How to clean your Nissan NV EGR valve: Identifying faults
The EGR valve, despite the fact very important to limit the pollution emissions of your Nissan NV , will sadly tend to clog up because of soot/gas deposits that will accumulate in its mechanism, which will ultimately risk obstructing the functions of the valve, until totally blocking the engine, here are the signs of illness that a faulty EGR valve on your Nissan NV can provoke:
- Motor light on
- Performance loss
- Technical inspection rejected
- Black fumes
- Car that grazes at low speed
- Low RPM settings
How to clean your Nissan NV EGR valve: In practice
And now we’ll start the part you are most enthusiastic 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 NV 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, the reality is, 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 Nissan NV.
How to clean your car EGR valve: With disassembly
Here is the more effective approach, which will require sufficient access to the EGR valve to conduct the operation 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 steps are done, now comes the time for cleaning. To get this done, 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 NV.
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 NV? In cases like this, it would be better rather than launching yourself into an overly complex procedure, 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 according to the difficulty of access is between 70 and 300 €.
Remove the EGR valve of your Nissan NV
Finally, some people make a more radical decision to limit the risk of a failed valve. Rather than cleaning the EGR valve of their Nissan NV, they simply prefer to block it in the closed position. This modification will have the consequence of greatly increasing the pollution emitted by the vehicle, of no longer complying with pollution criteria, of having an engine warning light all day on and finally risk fouling the engine. We strongly recommend against making this choice. If you have other questions or want to learn more about your car, don’t be reluctant to check out our dedicated page.
To get more tips on the Nissan NV, take a look at the Nissan NV category.
