You’ve almost certainly previously heard about the famous EGR valve, the anti-pollution valve. It is not usually appreciated by drivers because it has a tendency to develop more problems than anything else… In truth, determined by the use you are going to make of your car, it can become clogged and cause you a lot of concerns. If this is the situation, you are almost certainly concerned about how to clean the EGR valve of your Jeep Wrangler ? Don’t worry, we’ve prepared this article content to help you with this process. To do so, we will initially check out the role of the EGR valve, then what are the failures that the EGR valve of your Jeep Wrangler can cause and to finish the section that will almost certainly concern you the most, how to clean the EGR valve Jeep Wrangler?

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How to Clean your Jeep Wrangler EGR Valve: Role and Operation

Goal of the EGR valve

The EGR valve of your car has been integrated to diesel engines mostly to reduce pollution emitted by vehicles and to match EURO requirements on Jeep Wrangler . It will therefore 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 Jeep Wrangler , we will take a look at how it operates. As described just before, its mission is to clean the exhaust gases, 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 run principally at low speed because at high speed the combustion is sufficient to burn all these gases.

How to clean your Jeep Wrangler EGR valve: Identifying faults

The EGR valve, nevertheless very useful to limit the pollution emissions of your Jeep Wrangler , will regrettably tend to clog up because of soot/gas deposits that will accumulate in its mechanism, which will inevitably risk obstructing the operation of the valve, until completely blocking the engine motor, here are the signs of illness that a defective EGR valve on your Jeep Wrangler can trigger:

  • Motor light on
  • Power loss
  • Technical inspection rejected
  • Black gases
  • Automobile that grazes at low speed
  • Low RPM settings

How to clean your Jeep Wrangler EGR valve: In practice

And now we’ll start the section you are most excited 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 Jeep Wrangler EGR valve system: Without dismantle

Even though this procedure 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, equivalent to the products used to clean the injection. These particular 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 Jeep Wrangler.

How to clean your car EGR valve: With disassembly

Here is the most beneficial procedure, which will require sufficient access to the EGR valve to execute the process yourself. If so, the process is fairly easy. 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 simple steps are completed, 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 Jeep Wrangler.

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 problems (removing too many elements that hinder access for example), how to clean the EGR valve of your Jeep Wrangler? In this instance, it would be better rather than launching yourself into an overly complex process, you turn to an auto mechanic. He will be able to perform the job more cleanly and will be able, if necessary, to change the valve if it is dead. The cost of cleaning determined by the difficulty of access is between 70 and 300 €.

Remove the EGR valve of your Jeep Wrangler

Finally, some individuals make a more radical decision to limit the risk of a failed valve. Instead of cleaning the EGR valve of their Jeep Wrangler, they just choose to block it in the closed position. This manipulation will have the consequence of greatly increasing the pollution emitted by the car, of no longer complying with pollution criteria, of having an engine warning light permanently on and finally 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 check out our dedicated page.

If you need more tutorials on the Jeep Wrangler, go to our Jeep Wrangler category.