You’ve almost certainly previously read about the well-known EGR valve, the anti-pollution valve. It is not generally appreciated by motorists because it is likely to create more trouble than anything else… In reality, based on 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 almost certainly concerned about how to clean the EGR valve of your Lincoln Navigator ? Don’t get worried, we’ve prepared this content to help you with this task. To do so, we will first take a look at the purpose of the EGR valve, then what are the failures that the EGR valve of your Lincoln Navigator can provoke and to finish the section that will almost certainly interest you the most, how to clean the EGR valve Lincoln Navigator?
How to Clean your Lincoln Navigator EGR Valve: Role and Operation
Goal of the EGR valve
The EGR valve of your car has been integrated to diesel engines primarily to reduce pollution emitted by vehicles and to fulfill EURO standards on Lincoln Navigator . It will as a result control 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 Lincoln Navigator , we will take a look at how it functions. As described before, its mission is to clean the exhaust fumes, 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 reduce all unburned toxic particles. It will operate mainly at low speed because at high speed the combustion is enough to burn all these gases.
How to clean your Lincoln Navigator EGR valve: Identifying faults
The EGR valve, even though very useful to limit the pollution emissions of your Lincoln Navigator , will sadly tend to clog up because of soot/gas deposits that will accumulate in its mechanism, which will inevitably risk blocking the functions of the valve, until completely blocking the engine motor, here are the symptoms that a faulty EGR valve on your Lincoln Navigator can trigger:
- Motor light on
- Power loss
- Technical inspection refused
- Black fumes
- Automobile that grazes at low speed
- Low RPM settings
How to clean your Lincoln Navigator EGR valve: In practice
And now we’ll begin the section you are most serious about, how to clean the EGR valve of your car. Here are the two ways that you can use.
Do it yourself
How to clean your Lincoln Navigator EGR valve system: Without taking it apart
Even though this procedure 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, 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 Lincoln Navigator.
How to clean your car EGR valve: With disassembly
Here is the more effective procedure, which will require enough access to the EGR valve to perform the treatment yourself. 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 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 Lincoln Navigator.
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 elements that hinder access for example), how to clean the EGR valve of your Lincoln Navigator? In cases like this, it would be better rather than launching yourself into an overly complex task, 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 based on the difficulty of access is between 70 and 300 €.
Remove the EGR valve of your Lincoln Navigator
Finally, some people make a more radical decision to limit the risk of a failed valve. Instead of cleaning the EGR valve of their Lincoln Navigator, 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 standards, of having an engine warning light all day on and ultimately 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 hesitate to take a look at our dedicated page.
To find more tips on the Lincoln Navigator, take a look at the Lincoln Navigator category.
