You’ve likely already been aware of the well-known EGR valve, the anti-pollution valve. It is not always appreciated by motorists because it has a tendency to develop more problems than anything else… In reality, dependant upon the use you are going to make of your automobile, it can become clogged and bring about you a lot of trouble. If this is the case, you are likely wondering how to clean the EGR valve of your Lexus CT ? Don’t worry, we’ve made this article content to help you with this operation. To achieve this, we will first check out the goal of the EGR valve, then what are the failures that the EGR valve of your Lexus CT can cause and at last the section that will likely concern you the most, how to clean the EGR valve Lexus CT?


How to Clean your Lexus CT EGR Valve: Role and Operation

Purpose of the EGR valve

The EGR valve of your car has been integrated to diesel engines primarily to reduce pollution released by cars and to meet EURO requirements on Lexus CT . It will as a consequence influence the quality of exhaust gas output and eliminate toxic particles, mainly Nitrogen Oxide.

Operation of the EGR valve

Before we discover how to clean the EGR valve on your Lexus CT , we will have a look at how it functions. As described before, its goal 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 eliminate all unburned toxic particles. It will operate mostly at low speed because at high speed the combustion is sufficient to burn all these gases.

How to clean your Lexus CT EGR valve: Identifying faults

The EGR valve, although very useful to limit the pollution emissions of your Lexus CT , will regrettably tend to clog up because of soot/gas deposits that will accumulate in its mechanism, which will ultimately risk blocking the operation of the valve, until completely blocking the engine unit, here are the symptoms that a faulty EGR valve on your Lexus CT can cause:

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

How to clean your Lexus CT EGR valve: In practice

And now we’ll commence the section you are most curious about, how to clean the EGR valve of your car. Here are the two methods that you can use.

Do it on your own

How to clean your Lexus CT EGR valve system: Without dismantle

Although this approach is less effective, it is however possible to consider a “rough” cleaning of your EGR valve, in reality, you will only need to use fuel additives, similar 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 Lexus CT.

How to clean your car EGR valve: With disassembly

Here is the most reliable approach, which will require sufficient access to the EGR valve to carry out the treatment on your own. If so, the operation 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 steps are carried out, 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 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 Lexus CT.

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 troubles (removing too many parts that hinder access for example), how to clean the EGR valve of your Lexus CT? In cases like this, it would be better rather than launching yourself into an overly complex operation, you turn to an auto mechanic. He will be able to accomplish the job more cleanly and will be able, if necessary, to change the valve if it is dead. The cost of cleaning dependant upon the difficulty of access is between 70 and 300 €.

Remove the EGR valve of your Lexus CT

At last, some people make a more radical decision to limit the risk of a failed valve. Rather than cleaning the EGR valve of their Lexus CT, they simply prefer to block it in the closed position. This manipulation will have the effect of greatly increasing the pollution released by the automobile, of no longer complying with pollution requirements, of having an engine warning light all day on and in the end 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 think twice to take a look at our dedicated page.

If perhaps you have any additional questions about the Lexus CT, do not hesitate to consult our Lexus CT category.