You’ve probably previously heard about the well-known EGR valve, the anti-pollution valve. It is not generally appreciated by motorists because it is likely to cause more concerns than anything else… In reality, according to the use you are going to make of your vehicle, it can become congested and trigger you a lot of trouble. If this is the case, you are probably wanting to know how to clean the EGR valve of your Lincoln MKX ? Don’t stress, we’ve prepared this content page to help you with this process. To do so, we will initially take a look at the purpose of the EGR valve, then what are the failures that the EGR valve of your Lincoln MKX can reason and finally the part that will probably concern you the most, how to clean the EGR valve Lincoln MKX?


How to Clean your Lincoln MKX EGR Valve: Role and Operation

Role of the EGR valve

The EGR valve of your car has been integrated to diesel engines principally to lower pollution released by cars and to match EURO specifications on Lincoln MKX . It will as a result 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 Lincoln MKX , we will take a look at how it works. As seen just before, its objective 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 eradicate 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 Lincoln MKX EGR valve: Identifying faults

The EGR valve, although very useful to limit the pollution emissions of your Lincoln MKX , will regrettably tend to clog up because of soot/gas deposits that will build up in its mechanism, which will finally risk blocking the functions of the valve, until totally blocking the engine, here are the signs of illness that a faulty EGR valve on your Lincoln MKX 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 Lincoln MKX 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 solutions that you can use.

Do it on your own

How to clean your Lincoln MKX EGR valve system: Without dismantle

Although this process is less effective, it is however possible to consider a “rough” cleaning of your EGR valve, in fact, 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 Lincoln MKX.

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 perform the process 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 steps are done, 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 even 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 Lincoln MKX.

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 parts that hinder access for example), how to clean the EGR valve of your Lincoln MKX? In this case, 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 necessary, to change the valve if it is dead. The cost of cleaning according to the difficulty of access is between 70 and 300 €.

Remove the EGR valve of your Lincoln MKX

At last, 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 Lincoln MKX, they simply choose to block it in the closed position. This modification will have the outcome of greatly increasing the pollution released by the vehicle, of no longer complying with pollution standards, of having an engine warning light permanently on and in the end 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 be reluctant to check out our dedicated page.

To get more tips on the Lincoln MKX, take a look at the Lincoln MKX category.