You’ve likely already read about the popular EGR valve, the anti-pollution valve. It is not usually appreciated by drivers because it is likely to develop more trouble than anything else… In truth, determined by the use you are going to make of your automobile, it can become congested and bring about you a lot of problems. If this is the case, you are likely concerned about how to clean the EGR valve of your Infiniti QX30 ? Don’t be anxious, we’ve well prepared this content to help you with this process. To do so, we will initially take a look at the role of the EGR valve, then what are the failures that the EGR valve of your Infiniti QX30 can provoke and at last the part that will likely appeal you the most, how to clean the EGR valve Infiniti QX30?

clean-egr-valve-infiniti-qx30

How to Clean your Infiniti QX30 EGR Valve: Role and Operation

Purpose of the EGR valve

The EGR valve of your car has been added to diesel engines mostly to lower pollution emitted by vehicles and to meet EURO standards on Infiniti QX30 . It will as a result control 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 Infiniti QX30 , we will check out how it works. As seen before, its objective is to clean the exhaust fumes, 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 reduce all unburned toxic particles. It will operate principally at low speed because at high speed the combustion is enough to burn all these gases.

How to clean your Infiniti QX30 EGR valve: Identifying faults

The EGR valve, despite the fact very effective to limit the pollution emissions of your Infiniti QX30 , will unfortunately tend to clog up because of soot/gas deposits that will accumulate in its mechanism, which will inevitably risk obstructing the functions of the valve, until entirely blocking the engine motor, here are the signs of illness that a defective EGR valve on your Infiniti QX30 can provoke:

  • Motor light on
  • Power loss
  • Technical assesment rejected
  • Black gases
  • Automobile that grazes at low speed
  • Low RPM settings

How to clean your Infiniti QX30 EGR valve: In practice

And now we’ll begin the part you are most serious 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 Infiniti QX30 EGR valve system: Without taking it apart

Although this methodology 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, 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 Infiniti QX30.

How to clean your car EGR valve: With disassembly

Here is the most reliable methodology, which will require enough access to the EGR valve to perform the process yourself. If so, the process 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 accomplished, 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 also 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 Infiniti QX30.

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 troubles (removing too many parts that hinder access for example), how to clean the EGR valve of your Infiniti QX30? In cases like this, it would be better rather than launching yourself into an overly complex process, you turn to an auto mechanic. He will be able to carry out the job more cleanly and will be able, if necessary, 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 QX30

At last, a number of people make a more radical decision to limit the risk of a failed valve. Rather than cleaning the EGR valve of their Infiniti QX30, they just choose to block it in the closed position. This treatment will have the outcome of greatly increasing the pollution emitted by the automobile, of no longer complying with pollution requirements, of having an engine warning light permanently on and ultimately risk fouling the engine. We strongly advise against making this choice. If you have other questions or want to learn more about your car, don’t hesitate to take a look at our dedicated page.

If perhaps you have any further questions about the Infiniti QX30, do not hesitate to consult our Infiniti QX30 category.