You’ve likely already heard about the famous EGR valve, the anti-pollution valve. It is not usually appreciated by drivers because it is likely to create more problems than anything else… In fact, according to 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 likely wanting to know how to clean the EGR valve of your Infiniti QX50 ? Don’t worry, we’ve well prepared this article content to help you with this task. To achieve this, we will first check out the intent of the EGR valve, then what are the failures that the EGR valve of your Infiniti QX50 can trigger and to finish the section that will likely appeal you the most, how to clean the EGR valve Infiniti QX50?
How to Clean your Infiniti QX50 EGR Valve: Role and Operation
Role of the EGR valve
The EGR valve of your car has been integrated to diesel engines mostly to lower pollution released by cars and to match EURO standards on Infiniti QX50 . It will consequently influence 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 Infiniti QX50 , we will check out how it operates. As described just before, its mission is to clean the exhaust gases, so it will be installed 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 operate mostly at low speed because at high speed the combustion is sufficient to burn all these gases.
How to clean your Infiniti QX50 EGR valve: Identifying faults
The EGR valve, despite the fact very useful to limit the pollution emissions of your Infiniti QX50 , will sadly tend to clog up because of soot/gas deposits that will build up in its mechanism, which will ultimately risk blocking the operation of the valve, until completely blocking the engine motor, here are the signs of illness that a faulty EGR valve on your Infiniti QX50 can trigger:
- Motor light on
- Performance loss
- Technical inspection refused
- Black gases
- Vehicle that grazes at low speed
- Low RPM settings
How to clean your Infiniti QX50 EGR valve: In practice
And now we’ll commence the section you are most serious about, how to clean the EGR valve of your car. Here are the two ways that you can use.
Do it yourself
How to clean your Infiniti QX50 EGR valve system: Without taking it apart
Even though this technique is less efficient, it is however possible to consider a “rough” cleaning of your EGR valve, in reality, you will only need to use fuel additives, equivalent 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 Infiniti QX50.
How to clean your car EGR valve: With disassembly
Here is the best technique, which will require sufficient access to the EGR valve to perform the process on your own. 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 finished, 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 as well 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 Infiniti QX50.
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 elements that hinder access for example), how to clean the EGR valve of your Infiniti QX50? 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 do the job more cleanly and will be able, if required, 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 Infiniti QX50
Finally, some individuals make a more radical decision to limit the risk of a failed valve. Rather than cleaning the EGR valve of their Infiniti QX50, they simply prefer to block it in the closed position. This manipulation will have the consequence of greatly increasing the pollution released by the automobile, of no longer complying with pollution standards, of having an engine warning light permanently on and ultimately 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 think twice to check out our dedicated page.
If you have any additional questions about the Infiniti QX50, do not hesitate to consult our Infiniti QX50 category.
