You’ve likely already heard of the popular EGR valve, the anti-pollution valve. It is not generally appreciated by motorists because it tends to cause more concerns than anything else… Actually, based on the use you are going to make of your car, it can become blocked and cause you a lot of complications. If this is the case, you are likely wanting to know how to clean the EGR valve of your Nissan Qashqai ? Don’t worry, we’ve well prepared this article content to help you with this procedure. To do this, we will initially look at the purpose of the EGR valve, then what are the failures that the EGR valve of your Nissan Qashqai can reason and to finish the section that will likely concern you the most, how to clean the EGR valve Nissan Qashqai?
How to Clean your Nissan Qashqai EGR Valve: Role and Operation
Goal of the EGR valve
The EGR valve of your car has been integrated to diesel engines mostly to reduce pollution released by cars and to meet EURO requirements on Nissan Qashqai . It will as a result 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 Qashqai , we will check out how it works. As seen just before, its goal is to clean the exhaust fumes, so it will be positioned 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 work principally at low speed because at high speed the combustion is sufficient to burn all these gases.
How to clean your Nissan Qashqai EGR valve: Identifying faults
The EGR valve, despite the fact very effective to limit the pollution emissions of your Nissan Qashqai , will regrettably tend to clog up because of soot/gas deposits that will build up in its mechanism, which will ultimately risk blocking the functions of the valve, until completely blocking the engine motor, here are the symptoms that a faulty EGR valve on your Nissan Qashqai can trigger:
- Motor light on
- Performance loss
- Technical assesment rejected
- Black gases
- Car that grazes at low speed
- Low RPM settings
How to clean your Nissan Qashqai EGR valve: In practice
And now we’ll commence the section you are most enthusiastic about, how to clean the EGR valve of your car. Here are the two approaches that you can use.
Do it yourself
How to clean your Nissan Qashqai EGR valve system: Without dismantle
Even though this technique is less effective, it is however possible to consider a “rough” cleaning of your EGR valve, the truth is, 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 Qashqai.
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 execute the operation on your own. If so, the operation is fairly straightforward. 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 achieved, 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 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 Qashqai.
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 difficulties (removing too many parts that hinder access for example), how to clean the EGR valve of your Nissan Qashqai? In this instance, it would be better rather than launching yourself into an overly complex procedure, you turn to an auto mechanic. He will be able to do the job more cleanly and will be able, if required, 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 Qashqai
At last, some people make a more radical decision to limit the risk of a failed valve. Instead of cleaning the EGR valve of their Nissan Qashqai, they just prefer to block it in the closed position. This modification will have the effect of greatly increasing the pollution released by the car, of no longer complying with pollution requirements, of having an engine warning light all day on and in the end risk fouling the engine. We highly suggest against making this choice. If you have other questions or want to learn more about your car, don’t think twice to take a look at our dedicated page.
If you have any additional questions about the Nissan Qashqai, do not hesitate to consult our Nissan Qashqai category.
