You’ve almost certainly already read about the famous EGR valve, the anti-pollution valve. It is not generally appreciated by drivers because it is likely to create more trouble than anything else… In reality, determined by the use you are going to make of your vehicle, it can become congested and cause you a lot of problems. If this is the case, you are almost certainly wondering how to clean the EGR valve of your Infiniti QX60 ? Don’t get worried, we’ve prepared this content page to help you with this procedure. To accomplish this, we will first take a look at the role of the EGR valve, then what are the failures that the EGR valve of your Infiniti QX60 can bring about and to finish the section that will almost certainly concern you the most, how to clean the EGR valve Infiniti QX60?
How to Clean your Infiniti QX60 EGR Valve: Role and Operation
Purpose of the EGR valve
The EGR valve of your car has been integrated to diesel engines principally to lower pollution released by vehicles and to match EURO specifications on Infiniti QX60 . It will as a consequence 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 Infiniti QX60 , we will check out how it works. As described just before, its goal 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 principally at low speed because at high speed the combustion is enough to burn all these gases.
How to clean your Infiniti QX60 EGR valve: Identifying faults
The EGR valve, despite the fact very beneficial to limit the pollution emissions of your Infiniti QX60 , will unfortunately tend to clog up because of soot/gas deposits that will accumulate in its system, which will ultimately risk obstructing the functions of the valve, until completely blocking the engine motor, here are the signs of illness that a faulty EGR valve on your Infiniti QX60 can cause:
- Motor light on
- Performance loss
- Technical inspection refused
- Black fumes
- Car that grazes at low speed
- Low RPM settings
How to clean your Infiniti QX60 EGR valve: In practice
And now we’ll commence the section you are most curious 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 Infiniti QX60 EGR valve system: Without taking it apart
Although this technique 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, equivalent 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 Infiniti QX60.
How to clean your car EGR valve: With disassembly
Here is the more effective technique, which will require enough access to the EGR valve to perform the treatment without help. If so, the procedure is fairly easy. 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 completed, 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 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 QX60.
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 Infiniti QX60? In this case, 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 required, to change the valve if it is dead. The cost of cleaning determined by the difficulty of access is between 70 and 300 €.
Remove the EGR valve of your Infiniti QX60
Finally, some people make a more radical decision to limit the risk of a failed valve. Rather than cleaning the EGR valve of their Infiniti QX60, they just prefer to block it in the closed position. This manipulation will have the result of greatly increasing the pollution released by the vehicle, of no longer complying with pollution standards, of having an engine warning light permanently on and eventually risk fouling the engine. We highly advise 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.
If you want more guides on the Infiniti QX60, go to our Infiniti QX60 category.