You’ve most likely already been aware of the famous EGR valve, the anti-pollution valve. It is not generally appreciated by car owners because it has a tendency to develop more problems than anything else… In actual fact, determined by the use you are going to make of your vehicle, it can become congested and trigger you a lot of complications. If this is the situation, you are most likely concerned about how to clean the EGR valve of your Vauxhall Corsa ? Don’t stress, we’ve prepared this content page to help you with this procedure. To achieve this, we will first check out the intent of the EGR valve, then what are the failures that the EGR valve of your Vauxhall Corsa can provoke and finally the section that will most likely appeal you the most, how to clean the EGR valve Vauxhall Corsa?

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How to Clean your Vauxhall Corsa EGR Valve: Role and Operation

Purpose of the EGR valve

The EGR valve of your car has been integrated to diesel engines mainly to reduce pollution emitted by cars and to meet EURO specifications on Vauxhall Corsa . It will as a consequence 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 Vauxhall Corsa , we will have a look at how it operates. As seen before, its task is to clean the exhaust gases, 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 eliminate all unburned toxic particles. It will run principally at low speed because at high speed the combustion is enough to burn all these gases.

How to clean your Vauxhall Corsa EGR valve: Identifying faults

The EGR valve, nevertheless very beneficial to limit the pollution emissions of your Vauxhall Corsa , 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 completely blocking the engine unit, here are the symptoms that a faulty EGR valve on your Vauxhall Corsa can bring about:

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

How to clean your Vauxhall Corsa 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 Vauxhall Corsa EGR valve system: Without dismantle

Nevertheless 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 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 Vauxhall Corsa.

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 conduct 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 achieved, 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 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 Vauxhall Corsa.

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 problems (removing too many parts that hinder access for example), how to clean the EGR valve of your Vauxhall Corsa? In this case, it would be better rather than launching yourself into an overly complex procedure, you turn to an auto mechanic. He will be able to perform the job more cleanly and will be able, if required, 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 Vauxhall Corsa

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 Vauxhall Corsa, they simply prefer to block it in the closed position. This manipulation will have the result of greatly increasing the pollution emitted by the vehicle, of no longer complying with pollution criteria, of having an engine warning light permanently 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 be reluctant to check out our dedicated page.

If perhaps you have any further questions about the Vauxhall Corsa, do not hesitate to consult our Vauxhall Corsa category.