You’ve almost certainly previously read about the famous EGR valve, the anti-pollution valve. It is not usually appreciated by drivers because it has a tendency to create more problems than anything else… Indeed, according to the use you are going to make of your vehicle, it can become clogged and bring about you a lot of trouble. If this is the case, you are almost certainly wondering how to clean the EGR valve of your Kia Niro ? Don’t get worried, we’ve prepared this content to help you with this operation. To do so, we will initially look at the purpose of the EGR valve, then what are the failures that the EGR valve of your Kia Niro can bring about and at last the section that will almost certainly appeal you the most, how to clean the EGR valve Kia Niro?
How to Clean your Kia Niro EGR Valve: Role and Operation
Role of the EGR valve
The EGR valve of your car has been added to diesel engines mainly to lower pollution emitted by automobiles and to match EURO measures on Kia Niro . It will therefore control 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 Kia Niro , we will take a look at how it operates. As seen just before, its objective 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 mostly at low speed because at high speed the combustion is sufficient to burn all these gases.
How to clean your Kia Niro EGR valve: Identifying faults
The EGR valve, even though very useful to limit the pollution emissions of your Kia Niro , will regrettably tend to clog up because of soot/gas deposits that will accumulate in its mechanism, which will ultimately risk blocking the operation of the valve, until totally blocking the engine unit, here are the signs of illness that a defective EGR valve on your Kia Niro can bring about:
- Motor light on
- Power loss
- Technical assesment refused
- Black fumes
- Automobile that grazes at low speed
- Low RPM settings
How to clean your Kia Niro EGR valve: In practice
And now we’ll begin the section you are most enthusiastic 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 Kia Niro EGR valve system: Without taking it apart
Although this procedure 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 specific 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 Kia Niro.
How to clean your car EGR valve: With disassembly
Here is the strongest procedure, which will require sufficient access to the EGR valve to carry out 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 guidelines are finished, 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 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 Kia Niro.
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 complications (removing too many parts that hinder access for example), how to clean the EGR valve of your Kia Niro? In this case, it would be better rather than launching yourself into an overly complex operation, you turn to an auto mechanic. He will be able to carry out 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 Kia Niro
Finally, 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 Kia Niro, they just choose to block it in the closed position. This treatment will have the effect of greatly increasing the pollution emitted by the vehicle, of no longer complying with pollution standards, of having an engine warning light all day on and ultimately 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 think twice to check out our dedicated page.
In the event that you have any additional questions about the Kia Niro, do not hesitate to consult our Kia Niro category.
