You’ve almost certainly previously heard about the renowned EGR valve, the anti-pollution valve. It is not generally appreciated by motorists because it tends to create more problems than anything else… In reality, according to the use you are going to make of your car, it can become blocked and trigger you a lot of problems. If this is the situation, you are almost certainly concerned about how to clean the EGR valve of your Honda Accord ? Don’t get worried, we’ve prepared this content page to help you with this procedure. To do so, we will initially check out the intent of the EGR valve, then what are the failures that the EGR valve of your Honda Accord can cause and finally the section that will almost certainly concern you the most, how to clean the EGR valve Honda Accord?
How to Clean your Honda Accord EGR Valve: Role and Operation
Role of the EGR valve
The EGR valve of your car has been added to diesel engines mainly to reduce pollution emitted by automobiles and to fulfill EURO standards on Honda Accord . It will as a consequence influence 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 Honda Accord , we will examine how it operates. As seen just before, its task is to clean the exhaust gases, 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 function mostly at low speed because at high speed the combustion is enough to burn all these gases.
How to clean your Honda Accord EGR valve: Identifying faults
The EGR valve, although very useful to limit the pollution emissions of your Honda Accord , will regrettably tend to clog up because of soot/gas deposits that will build up in its system, which will eventually risk blocking the functions of the valve, until entirely blocking the engine, here are the symptoms that a defective EGR valve on your Honda Accord can bring about:
- Motor light on
- Power loss
- Technical assesment rejected
- Black gases
- Automobile that grazes at low speed
- Low RPM settings
How to clean your Honda Accord EGR valve: In practice
And now we’ll start the section 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 yourself
How to clean your Honda Accord 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, 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 Honda Accord.
How to clean your car EGR valve: With disassembly
Here is the most effective methodology, which will require enough access to the EGR valve to accomplish the operation on your own. 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 guidelines are carried out, now comes the time for cleaning. To do 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 also 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 Honda Accord.
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 parts that hinder access for example), how to clean the EGR valve of your Honda Accord? In cases like this, it would be better rather than launching yourself into an overly complex procedure, you turn to an auto mechanic. He will be able to accomplish the job more cleanly and will be able, if required, 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 Honda Accord
At last, some individuals make a more radical decision to limit the risk of a failed valve. Rather than cleaning the EGR valve of their Honda Accord, they simply prefer to block it in the closed position. This treatment will have the outcome of greatly increasing the pollution emitted by the car, of no longer complying with pollution requirements, of having an engine warning light permanently on and in the end risk fouling the engine. We strongly recommend 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 find more tips on the Honda Accord, take a look at the Honda Accord category.
