You’ve almost certainly previously heard of the renowned EGR valve, the anti-pollution valve. It is not always appreciated by car owners because it tends to cause more trouble than anything else… In fact, according to the use you are going to make of your car, it can become congested and bring about you a lot of problems. If this is the situation, you are almost certainly wondering how to clean the EGR valve of your Infiniti Q50 ? Don’t be anxious, we’ve written this content to help you with this task. To do this, we will first check out the purpose of the EGR valve, then what are the failures that the EGR valve of your Infiniti Q50 can provoke and finally the section that will almost certainly concern you the most, how to clean the EGR valve Infiniti Q50?

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How to Clean your Infiniti Q50 EGR Valve: Role and Operation

Role of the EGR valve

The EGR valve of your car has been added to diesel engines primarily to reduce pollution emitted by automobiles and to match EURO measures on Infiniti Q50 . It will as a result influence the quality of exhaust gas output and get rid of toxic particles, mainly Nitrogen Oxide.

Operation of the EGR valve

Before we discover how to clean the EGR valve on your Infiniti Q50 , we will check out how it works. As seen just before, its task 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 get rid of 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 Infiniti Q50 EGR valve: Identifying faults

The EGR valve, nevertheless very effective to limit the pollution emissions of your Infiniti Q50 , 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 totally blocking the engine motor, here are the symptoms that a defective EGR valve on your Infiniti Q50 can bring about:

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

How to clean your Infiniti Q50 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 solutions that you can use.

Do it yourself

How to clean your Infiniti Q50 EGR valve system: Without taking it apart

Nevertheless this process is less effective, it is however possible to consider a “rough” cleaning of your EGR valve, actually, you will only need to use fuel additives, similar to the products used to clean the injection. These particular 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 Q50.

How to clean your car EGR valve: With disassembly

Here is the most beneficial process, which will require sufficient access to the EGR valve to perform the process without help. If so, the operation 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 carried out, now comes the time for cleaning. To accomplish 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 also 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 Q50.

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 auto parts that hinder access for example), how to clean the EGR valve of your Infiniti Q50? In such a case, 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 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 Infiniti Q50

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 Q50, they simply choose to block it in the closed position. This treatment will have the result of greatly increasing the pollution emitted by the car, of no longer complying with pollution standards, of having an engine warning light permanently on and finally 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 hesitate to check out our dedicated page.

To find more tips on the Infiniti Q50, take a look at the Infiniti Q50 category.