Vehicles equipped with gasoline or diesel engines are very polluting. Indeed, nitrogen dioxide emissions are harmful to humans and the planet. Faced with this, the installation of an EGR valve has become mandatory in France, as well as throughout Europe. This is due to the strong desire of the different countries to comply with the anti-pollution standards. This EGR valve makes it possible to reduce these emissions thanks to the reuse of the exhaust gas, and this allows a complete exploitation of the fuel. However, it should be noted that it has a major disadvantage for the vehicle and its user: it generates quite a lot of soot. And, this has a direct consequence on the valve itself. Because it clogs it. This in turn causes a high level of clogging of the injection system. In this article, you can learn how to clean an Opel Corsa EGR valve.
The role of an Opel Corsa EGR valve
In recent years, the diesel engines inserted in Opel Corsa cars are all equipped with an EGR valve. The role of this valve is to reduction of pollution produced by its vehicles. To do this, the exhaust gases are controlled to obtain a better quality. Add to that the fact that the majority of toxic particles are eliminated.
How does an Opel Corsa EGR valve work?
The cleaning of an Opel Corsa EGR valve cannot be done without a complete understanding of its functioning. Indeed, having for main mission the exhaust gas management, The valve is therefore installed at the motor level. And more precisely at its outlet. The transfer of these gases to the engine is possible thanks to the availability ofa valve. This is how the exhaust gas is burned a second time to get rid of all traces of toxic particles.
The use of the Opel Corsa EGR valve is mainly effective at low engine speeds. This is when the combustion is not strong. And, the gases are only partially destroyed.
Detecting a fault in the EGR valve Opel Corsa
Pollution emissions are mainly prevented by the availability of an Opel Corsa EGR valve. However, it has the disadvantage of repetitive blockage. This is due to the soot deposit in the valve mechanism. Over time, the valve will malfunction, causing a blockage in the operation of its motor.
You should know that an Opel Corsa EGR valve shows various symptoms that can warn you of its malfunction. First of all, the first symptom will be thelighting of an indicator. Then, it will cause a power reduction. And sometimes the appearance of black smoke. Add to this, that several other symptoms can also be revealing, such as :
- Refusal of a technical inspection
- Low speed vehicles that graze
Cleaning the EGR valve Opel Corsa
It is possible to clean the Opel Corsa EGR valve yourself. You can do this without disassembling it. In order to do this, you will need a cleaning product whose components are mainly fuel additives. The latter must then be administered within the engine. The engine must have an adequate temperature. In order to reach it, it will be necessary to proceed while it is running. It should be noted that the product must be diluted in at least 20 L of fuel.
But, you should know that this process is not very effective. In fact, for a thorough cleaning, it is better to remove the EGR valve of your Opel Corsa. To do this, start by locating the its electromagnet to be able to unscrew it and disconnect it. Then, after removing the EGR valve from the vehicle, you can clean it with a solvent product which should be left for at least 10 minutes. For the rest of the dirt, you will have to remove it with a scraper. Finally, the last step will be the passage of a wire brush to get rid of the last residues.
For a more thorough cleaning, you can scrape and then vacuum the ducts. Here are our 10 tips to clean your car like a pro.
Also, if you are not at all mechanically inclined, it is best to leave this task to an expert. Add to that the fact that in some Opel Corsa models, the EGR valve is difficult to access. And, it requires a lot of equipment to remove it. It is best to leave it to a garage. This will guarantee you a best work. However, this alternative has the disadvantage of the price. The latter varies according to the level of difficulty of access to the valve. It can go from 60 to 300 euros.
It is important to note that many motorists opt for the removal of their EGR valve in their Opel Corsa. To do this, the car is locked. This will certainly allowavoid breakdowns. But the vehicle is very polluting. Therefore, it does not meet the European standards concerning pollution.