You’ve almost certainly previously heard of the popular EGR valve, the anti-pollution valve. It is not usually appreciated by car owners because it has a tendency to cause more concerns than anything else… In reality, determined by the use you are going to make of your car, it can become clogged and cause you a lot of complications. If this is the case, you are almost certainly concerned about how to clean the EGR valve of your Honda CR V ? Don’t be anxious, we’ve well prepared this content to help you with this operation. To do so, we will initially take a look at the intent of the EGR valve, then what are the failures that the EGR valve of your Honda CR V can provoke and at last the section that will almost certainly concern you the most, how to clean the EGR valve Honda CR V?
How to Clean your Honda CR V EGR Valve: Role and Operation
Role of the EGR valve
The EGR valve of your car has been added to diesel engines mostly to lower pollution emitted by cars and to match EURO requirements on Honda CR V . It will therefore influence the quality of exhaust gas output and get rid of toxic particles, mainly Nitrogen Oxide.
Operation of the EGR valve
Before we learn how to clean the EGR valve on your Honda CR V , we will take a look at how it works. 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 get rid of all unburned toxic particles. It will perform mainly at low speed because at high speed the combustion is sufficient to burn all these gases.
How to clean your Honda CR V EGR valve: Identifying faults
The EGR valve, nevertheless very effective to limit the pollution emissions of your Honda CR V , will sadly tend to clog up because of soot/gas deposits that will accumulate in its system, which will finally risk blocking the operation of the valve, until totally blocking the engine unit, here are the signs of illness that a faulty EGR valve on your Honda CR V 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 Honda CR V EGR valve: In practice
And now we’ll commence the section you are most enthusiastic 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 Honda CR V EGR valve system: Without taking it apart
Although this methodology 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, equivalent 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 Honda CR V.
How to clean your car EGR valve: With disassembly
Here is the most effective methodology, which will require sufficient access to the EGR valve to conduct the process on your own. 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 guidelines 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 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 Honda CR V.
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 difficulties (removing too many auto parts that hinder access for example), how to clean the EGR valve of your Honda CR V? In such a case, it would be better rather than launching yourself into an overly complex operation, you turn to an auto mechanic. He will be able to perform the job more cleanly and will be able, if required, 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 Honda CR V
Finally, some people make a more radical decision to limit the risk of a failed valve. Instead of cleaning the EGR valve of their Honda CR V, they simply prefer to block it in the closed position. This treatment will have the effect of greatly increasing the pollution emitted by the car, of no longer complying with pollution standards, of having an engine warning light all day on and eventually 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 think twice to take a look at our dedicated page.
In the event that you have any additional questions about the Honda CR V, do not hesitate to consult our Honda CR V category.
