You’ve probably previously been aware of the famous EGR valve, the anti-pollution valve. It is not always appreciated by car owners because it is likely to develop more concerns than anything else… In truth, based on 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 probably concerned about how to clean the EGR valve of your Audi Q3 ? Don’t stress, we’ve prepared this article content to help you with this process. To do this, we will initially check out the goal of the EGR valve, then what are the failures that the EGR valve of your Audi Q3 can cause and finally the section that will probably interest you the most, how to clean the EGR valve Audi Q3?
How to Clean your Audi Q3 EGR Valve: Role and Operation
Purpose of the EGR valve
The EGR valve of your car has been added to diesel engines mostly to reduce pollution released by vehicles and to match EURO requirements on Audi Q3 . It will consequently influence 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 Audi Q3 , we will take a look at how it works. As described before, its task is to clean the exhaust gases, so it will be positioned 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 mainly at low speed because at high speed the combustion is sufficient to burn all these gases.
How to clean your Audi Q3 EGR valve: Identifying faults
The EGR valve, despite the fact very useful to limit the pollution emissions of your Audi Q3 , will regrettably tend to clog up because of soot/gas deposits that will accumulate in its system, which will ultimately risk blocking the functions of the valve, until totally blocking the engine motor, here are the signs of illness that a faulty EGR valve on your Audi Q3 can cause:
- Motor light on
- Performance loss
- Technical inspection refused
- Black fumes
- Car that grazes at low speed
- Low RPM settings
How to clean your Audi Q3 EGR valve: In practice
And now we’ll start the section you are most interested in, how to clean the EGR valve of your car. Here are the two techniques that you can use.
Do it on your own
How to clean your Audi Q3 EGR valve system: Without taking it apart
Although this methodology 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, equivalent 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 Audi Q3.
How to clean your car EGR valve: With disassembly
Here is the strongest methodology, which will require sufficient access to the EGR valve to accomplish the operation yourself. If so, the process 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 steps are finished, now comes the time for cleaning. To achieve 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 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 Audi Q3.
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 difficulties (removing too many auto parts that hinder access for example), how to clean the EGR valve of your Audi Q3? In cases like this, it would be better rather than launching yourself into an overly complex process, 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 based on the difficulty of access is between 70 and 300 €.
Remove the EGR valve of your Audi Q3
Finally, some individuals make a more radical decision to limit the risk of a failed valve. Rather than cleaning the EGR valve of their Audi Q3, they just choose 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 standards, of having an engine warning light permanently on and finally risk fouling the engine. We strongly 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 Audi Q3, take a look at the Audi Q3 category.
