You’ve probably previously heard of the well-known EGR valve, the anti-pollution valve. It is not generally appreciated by motorists because it is likely to create more concerns than anything else… In fact, determined by the use you are going to make of your car, it can become congested and trigger you a lot of problems. If this is the case, you are probably concerned about how to clean the EGR valve of your Infiniti G ? Don’t worry, we’ve made this content to help you with this procedure. To do this, we will first take a look at the intent of the EGR valve, then what are the failures that the EGR valve of your Infiniti G can provoke and to finish the part that will probably appeal you the most, how to clean the EGR valve Infiniti G?

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

Goal of the EGR valve

The EGR valve of your car has been integrated to diesel engines principally to reduce pollution released by automobiles and to match EURO measures on Infiniti G . It will as a result 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 G , we will have a look at how it functions. As described before, its mission is to clean the exhaust gases, 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 eliminate all unburned toxic particles. It will function mostly at low speed because at high speed the combustion is enough to burn all these gases.

How to clean your Infiniti G EGR valve: Identifying faults

The EGR valve, despite the fact very beneficial to limit the pollution emissions of your Infiniti G , will unfortunately tend to clog up because of soot/gas deposits that will accumulate in its system, which will ultimately risk obstructing the operation of the valve, until completely blocking the engine unit, here are the symptoms that a faulty EGR valve on your Infiniti G can bring about:

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

How to clean your Infiniti G EGR valve: In practice

And now we’ll commence the part you are most intrigued by, 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 G EGR valve system: Without taking it apart

Even though this approach is less efficient, 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 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 G.

How to clean your car EGR valve: With disassembly

Here is the most reliable approach, which will require enough access to the EGR valve to carry out the operation without help. 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 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 as well 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 G.

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 elements that hinder access for example), how to clean the EGR valve of your Infiniti G? In cases like this, 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 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 G

Finally, a number of people make a more radical decision to limit the risk of a failed valve. Instead of cleaning the EGR valve of their Infiniti G, they simply choose to block it in the closed position. This treatment will have the effect of greatly increasing the pollution released by the car, of no longer complying with pollution criteria, of having an engine warning light all day 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 have any additional questions about the Infiniti G, do not hesitate to consult our Infiniti G category.