You’ve probably already heard of the renowned EGR valve, the anti-pollution valve. It is not usually appreciated by car owners because it is likely to create more trouble than anything else… Actually, determined by the use you are going to make of your automobile, it can become blocked and bring about you a lot of concerns. If this is the situation, you are probably concerned about how to clean the EGR valve of your Hyundai Veloster ? Don’t be anxious, we’ve prepared this article to help you with this operation. To do so, we will initially check out the intent of the EGR valve, then what are the failures that the EGR valve of your Hyundai Veloster can bring about and finally the section that will probably concern you the most, how to clean the EGR valve Hyundai Veloster?

clean-egr-valve-hyundai-veloster

How to Clean your Hyundai Veloster EGR Valve: Role and Operation

Purpose 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 meet EURO standards on Hyundai Veloster . It will consequently influence 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 Hyundai Veloster , we will examine how it functions. As seen just before, its mission is to clean the exhaust fumes, so it will be located 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 function mostly at low speed because at high speed the combustion is enough to burn all these gases.

How to clean your Hyundai Veloster EGR valve: Identifying faults

The EGR valve, although very beneficial to limit the pollution emissions of your Hyundai Veloster , will unfortunately tend to clog up because of soot/gas deposits that will build up in its system, which will inevitably risk obstructing the functions of the valve, until completely blocking the engine, here are the symptoms that a defective EGR valve on your Hyundai Veloster can provoke:

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

How to clean your Hyundai Veloster EGR valve: In practice

And now we’ll begin the section you are most excited about, how to clean the EGR valve of your car. Here are the two methods that you can use.

Do it yourself

How to clean your Hyundai Veloster EGR valve system: Without dismantle

Even though this technique is less effective, it is however possible to consider a “rough” cleaning of your EGR valve, the reality is, 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 Hyundai Veloster.

How to clean your car EGR valve: With disassembly

Here is the most effective technique, which will require enough access to the EGR valve to perform the treatment without help. If so, the procedure 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 guidelines are carried out, 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 even 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 Hyundai Veloster.

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 complications (removing too many elements that hinder access for example), how to clean the EGR valve of your Hyundai Veloster? In cases like this, 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 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 Hyundai Veloster

Finally, some individuals make a more radical decision to limit the risk of a failed valve. Rather than cleaning the EGR valve of their Hyundai Veloster, they just choose to block it in the closed position. This treatment will have the consequence of greatly increasing the pollution released by the automobile, of no longer complying with pollution criteria, of having an engine warning light all day on and in the end risk fouling the engine. We highly suggest against making this choice. If you have other questions or want to learn more about your car, don’t be reluctant to take a look at our dedicated page.

If you wish more guides on the Hyundai Veloster, go to our Hyundai Veloster category.