You’ve most likely previously been aware of the popular EGR valve, the anti-pollution valve. It is not usually appreciated by car owners because it tends to cause more concerns than anything else… In fact, depending on the use you are going to make of your car, it can become clogged and cause you a lot of trouble. If this is the case, you are most likely wanting to know how to clean the EGR valve of your Chevrolet Impala ? Don’t be anxious, we’ve made this content page to help you with this procedure. To do so, we will first take a look at the goal of the EGR valve, then what are the failures that the EGR valve of your Chevrolet Impala can cause and finally the part that will most likely appeal you the most, how to clean the EGR valve Chevrolet Impala?

clean-egr-valve-chevrolet-impala

How to Clean your Chevrolet Impala EGR Valve: Role and Operation

Purpose of the EGR valve

The EGR valve of your car has been integrated to diesel engines mainly to lower pollution released by cars and to meet EURO measures on Chevrolet Impala . 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 Chevrolet Impala , we will examine how it works. As seen before, its goal is to clean the exhaust gases, so it will be placed 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 perform mostly at low speed because at high speed the combustion is enough to burn all these gases.

How to clean your Chevrolet Impala EGR valve: Identifying faults

The EGR valve, despite the fact very important to limit the pollution emissions of your Chevrolet Impala , will unfortunately tend to clog up because of soot/gas deposits that will build up in its mechanism, which will ultimately risk blocking the operation of the valve, until totally blocking the engine motor, here are the signs of illness that a faulty EGR valve on your Chevrolet Impala can trigger:

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

How to clean your Chevrolet Impala EGR valve: In practice

And now we’ll commence the part you are most intrigued by, 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 Chevrolet Impala EGR valve system: Without dismantle

Although this process is less effective, it is however possible to consider a “rough” cleaning of your EGR valve, actually, you will only need to use fuel additives, similar to the products used to clean the injection. These specific 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 Chevrolet Impala.

How to clean your car EGR valve: With disassembly

Here is the most beneficial process, which will require enough access to the EGR valve to carry out the treatment without help. If so, the operation 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 as well 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 Chevrolet Impala.

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 troubles (removing too many elements that hinder access for example), how to clean the EGR valve of your Chevrolet Impala? In this instance, it would be better rather than launching yourself into an overly complex procedure, you turn to an auto mechanic. He will be able to carry out 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 Chevrolet Impala

Finally, a number of people make a more radical decision to limit the risk of a failed valve. Rather than cleaning the EGR valve of their Chevrolet Impala, they simply prefer to block it in the closed position. This manipulation will have the consequence of greatly increasing the pollution released by the car, of no longer complying with pollution requirements, of having an engine warning light all day on and ultimately 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 check out our dedicated page.

To find more tips on the Chevrolet Impala, take a look at the Chevrolet Impala category.