You’ve almost certainly previously heard about the renowned EGR valve, the anti-pollution valve. It is not usually appreciated by motorists because it has a tendency to cause more trouble than anything else… Indeed, dependant upon the use you are going to make of your automobile, it can become congested and trigger you a lot of trouble. If this is the situation, you are almost certainly wanting to know how to clean the EGR valve of your Kia Sedona ? Don’t stress, we’ve written this article to help you with this operation. To achieve this, we will initially look at the role of the EGR valve, then what are the failures that the EGR valve of your Kia Sedona can trigger and finally the section that will almost certainly appeal you the most, how to clean the EGR valve Kia Sedona?

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How to Clean your Kia Sedona EGR Valve: Role and Operation

Role of the EGR valve

The EGR valve of your car has been added to diesel engines primarily to lower pollution released by vehicles and to match EURO measures on Kia Sedona . 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 discover how to clean the EGR valve on your Kia Sedona , we will examine how it functions. As seen just before, its goal 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 eradicate all unburned toxic particles. It will work mainly at low speed because at high speed the combustion is enough to burn all these gases.

How to clean your Kia Sedona EGR valve: Identifying faults

The EGR valve, despite the fact very beneficial to limit the pollution emissions of your Kia Sedona , will sadly tend to clog up because of soot/gas deposits that will build up in its mechanism, which will ultimately risk obstructing the operation of the valve, until entirely blocking the engine, here are the symptoms that a defective EGR valve on your Kia Sedona can bring about:

  • Motor light on
  • Performance loss
  • Technical assesment refused
  • Black gases
  • Car that grazes at low speed
  • Low RPM settings

How to clean your Kia Sedona EGR valve: In practice

And now we’ll begin the section you are most interested in, 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 Kia Sedona EGR valve system: Without dismantle

Despite the fact this technique 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 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 Kia Sedona.

How to clean your car EGR valve: With disassembly

Here is the most beneficial technique, which will require enough access to the EGR valve to carry out the process without help. If so, the process 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 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 even 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 Kia Sedona.

Have it done by a professional

If, your EGR valve is not reachable 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 Kia Sedona? 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 accomplish the job more cleanly and will be able, if required, to change the valve if it is dead. The cost of cleaning dependant upon the difficulty of access is between 70 and 300 €.

Remove the EGR valve of your Kia Sedona

At last, some individuals make a more radical decision to limit the risk of a failed valve. Instead of cleaning the EGR valve of their Kia Sedona, they simply prefer to block it in the closed position. This modification will have the outcome of greatly increasing the pollution released by the automobile, of no longer complying with pollution requirements, of having an engine warning light all day on and finally risk fouling the engine. We highly recommend 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 discover more tips on the Kia Sedona, take a look at the Kia Sedona category.