EGR valve gasket

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What is an EGR Valve?
The EGR valve is a component of the system that regulates the process of exhaust gas recirculation in internal combustion engines, aiming to reduce the emissions of harmful chemical substances, such as nitrogen oxides. The process involves reintroducing a portion of the volume of exhaust gases back into the combustion chamber, where it mixes with the fuel and the air necessary for combustion. This gas recirculation helps lower the combustion temperature, which, in turn, reduces the emission of dangerous substances.
The recirculation valve reduces exhaust emissions and optimizes the fuel combustion process, improving engine performance. The EGR gasket creates a hermetic connection with the engine, preventing exhaust gas leaks and ensuring the system's proper operation.
The adjustment of the exhaust gas recirculation level is closely related to the activity of the engine's intake and exhaust system, based on the potential of pressure differences. Reducing the pressure in the intake system through the action of the throttle valve facilitates an increase in the recirculation intensity. This, in turn, affects the reduction of the supercharging pressure through the decreased flow of gases bypassing the compressor turbine.
What Functions Does the EGR Gasket Serve?
Control of the EGR gasket is performed electronically, allowing for precise regulation of its opening and closing moments depending on the engine's operating conditions. Electronic control of the EGR valve is particularly activated at medium and high vehicle loads. Proper functioning of this part has significant consequences:
- maintaining the efficiency of the combustion system;
- reducing emissions;
- optimizing fuel consumption.
There are also EGR valve plugs, which allow for the temporary or permanent deactivation of the recirculation system, which may be necessary for diagnostics or the removal of system malfunctions at the service station.
Causes and Consequences of EGR Valve Wear?
The EGR valve operates in conditions of high aggressiveness, leading to its gradual wear. Causes of malfunction often include its jamming in one of the positions — open or closed, which can be caused by several factors:
- accumulation of soot and scale on the EGR valve itself;
- physical wear of the part;
- failures in the vehicle's electronic system.
Such malfunctions most often prompt the engine management system to switch the vehicle into "emergency mode," limiting its power. A constantly open EGR valve increases the risk of clogging the intake manifold, catalytic converter, and soot filter, which negatively affects the combustion system's operation.
The average lifespan of an EGR valve is about 150,000 kilometers, but some factors can shorten it, including:
- the condition of the fuel system and ignition system;
- the use of low-quality fuel and oil.
Therefore, it is important not to forget about regular cleaning and servicing of this element. Replacing the EGR valve gasket is part of preventive or repair measures aimed at maintaining the recirculation system in optimal condition.
Wiatreo Store: How to Buy an EGR Valve?
The company Wiatreo is known for its many years of specialization in supplying auto parts for cars with turbochargers. We have long-term experience in selecting and cooperating with reliable manufacturers. The store offers high-quality aftermarket auto parts that ensure 100% compatibility with auto systems and fully correspond to the originals.
Our online store is a distributor of the well-known Lithuanian company TURBOCENTRAS UAB, supplying European-quality auto parts. We have developed a user-friendly website, making it simple and convenient to purchase the appropriate model of the EGR valve, as all parts are linked to a specific type of turbine with its serial number indicated. We guarantee fast shipment of orders throughout Poland with the help of well-known transport companies, ensuring reliability and prompt delivery.