You’ve most likely already heard of the popular EGR valve, the anti-pollution valve. It is not usually appreciated by motorists because it is likely to cause more problems than anything else… In reality, depending on the use you are going to make of your vehicle, it can become clogged and cause you a lot of problems. If this is the situation, you are most likely wanting to know how to clean the EGR valve of your Alfa Romeo Giulia ? Don’t be anxious, we’ve well prepared this article to help you with this procedure. To accomplish this, we will first take a look at the role of the EGR valve, then what are the failures that the EGR valve of your Alfa Romeo Giulia can bring about and finally the part that will most likely appeal you the most, how to clean the EGR valve Alfa Romeo Giulia?

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How to Clean your Alfa Romeo Giulia EGR Valve: Role and Operation

Role of the EGR valve

The EGR valve of your car has been integrated to diesel engines mainly to reduce pollution emitted by automobiles and to match EURO measures on Alfa Romeo Giulia . It will as a consequence control 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 Alfa Romeo Giulia , we will take a look at how it works. As seen before, its mission 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 operate mainly at low speed because at high speed the combustion is sufficient to burn all these gases.

How to clean your Alfa Romeo Giulia EGR valve: Identifying faults

The EGR valve, nevertheless very important to limit the pollution emissions of your Alfa Romeo Giulia , will regrettably tend to clog up because of soot/gas deposits that will accumulate in its system, which will eventually risk blocking the functions of the valve, until completely blocking the engine unit, here are the symptoms that a faulty EGR valve on your Alfa Romeo Giulia can trigger:

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

How to clean your Alfa Romeo Giulia EGR valve: In practice

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

Do it yourself

How to clean your Alfa Romeo Giulia EGR valve system: Without dismantle

Although this technique is less effective, it is however possible to consider a “rough” cleaning of your EGR valve, the truth is, you will only need to use fuel additives, equivalent 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 Alfa Romeo Giulia.

How to clean your car EGR valve: With disassembly

Here is the more effective technique, which will require sufficient access to the EGR valve to conduct the process without help. If so, the procedure is fairly straightforward. 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 completed, now comes the time for cleaning. To make this happen, 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 Alfa Romeo Giulia.

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 parts that hinder access for example), how to clean the EGR valve of your Alfa Romeo Giulia? In such a 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 do the job more cleanly and will be able, if required, to change the valve if it is dead. The cost of cleaning depending on the difficulty of access is between 70 and 300 €.

Remove the EGR valve of your Alfa Romeo Giulia

At last, some people make a more radical decision to limit the risk of a failed valve. Rather than cleaning the EGR valve of their Alfa Romeo Giulia, they simply choose 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 requirements, of having an engine warning light all day on and ultimately risk fouling the engine. We strongly advise against making this choice. If you have other questions or want to learn more about your car, don’t think twice to take a look at our dedicated page.

In the event that you have any further questions about the Alfa Romeo Giulia, do not hesitate to consult our Alfa Romeo Giulia category.