What is a suction control valve?
The suction control valve is an important component in a diesel engine. The SCV valve can ensure the normal operation of the diesel injection system and provide the required fuel supply by adjusting the suction pressure of the oil pump.
How much does it cost to replace a suction control valve?
The cost of replacing a suction control valve will be affected by a variety of factors, including the make and model of the vehicle and labor rates in your area. Suction control valves cost between $20 and $200, but that’s just the price of the part itself, not including labor. Labor charges may range from $50 to $200.
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Introduction to Suction Control Valve
Suction Control Valve of Zhenhua Automobile Parts Company is the key control component in automobile fuel system. It is located between the fuel pump and the fuel nozzle and plays a key role in accurately controlling the fuel intake and flow rate. Under all working conditions of the engine, whether idling, low-speed driving, high-speed cruising or sudden acceleration, the valve can accurately adjust the flow of fuel into the cylinder according to the instructions issued by the vehicle’s electronic control unit (ECU) to ensure that the mixing ratio of fuel and air reaches the best state, thus ensuring the efficient power output, stable operation and excellent fuel economy of the engine.
Features of Suction Control Valve
High-precision flow control
With advanced electromagnetic drive technology and precise valve core design, the fuel flow can be finely and accurately regulated. The accuracy of flow regulation can reach certain liters/minute, and the engine can be provided with just the right fuel supply according to the requirements of different working conditions of the engine, such as ensuring smooth ignition by injecting more fuel during cold start and maintaining economic fuel consumption by accurately controlling fuel during high-speed driving.
Fast response performance:
The internal structure is optimized, and it can respond quickly to ECU’s instructions, and can complete the flow adjustment in milliseconds. When the working condition of the vehicle changes instantly, such as sudden acceleration when overtaking, the valve can increase the fuel intake in time, so that the engine can output strong power quickly, avoid power lag and ensure smooth driving.
Durable material structure
The shell is made of high-strength and corrosion-resistant aluminum alloy, which can not only effectively resist the chemical corrosion of fuel, but also has good heat dissipation performance, ensuring the internal electronic components and mechanical parts to work stably in the high temperature and high humidity engine compartment environment. The valve core and seal are made of special wear-resistant materials. After strict durability test, they can still maintain good sealing performance and flow control accuracy under long-term frequent opening and closing actions, greatly prolonging the service life of the product.
Application
The suction control valve is widely used in various gasoline direct injection engine vehicles, covering cars, SUVs, sports cars and other market segments.
In the mainstream family car field, such as Toyota Corolla, Honda Civic, Volkswagen LaVida and other models, to ensure fuel economy and power stability in daily commuting driving;
Luxury cars, such as BMW 3 Series, mercedes benz c Class, Audi A4L, etc., help high-performance engines achieve precise fuel control and improve driving quality;
For sports cars that pursue speed and passion, such as Porsche 911 and Nissan GT-R, ensure the timeliness and accuracy of fuel supply at high speed and heavy load, and fully release the engine potential.
Target clients
Automobile manufacturer: As an important supplier of spare parts in the production of new cars, it provides high-quality success control valve for automobile OEMs, helping new cars to build excellent fuel systems, improving vehicle performance and market competitiveness, and meeting consumers’ strict requirements on vehicle power and fuel consumption.
Auto parts dealers: meet their bulk purchasing needs, provide stable sources of goods for downstream auto repair shops and after-sales service centers, enrich their own product lines with high-quality products, expand their business territory in the auto parts market, and enhance their market voice.
Automobile repair shop and after-sales service center: provide reliable original quality replacement parts to help maintenance technicians quickly solve the problems such as engine jitter, insufficient power and abnormal fuel consumption caused by the failure of intake control valve, improve maintenance efficiency, shorten customer vehicle maintenance time and improve customer satisfaction.
Maintenance
Clean the strainer regularly
Before the fuel enters the intake control valve, there is usually a strainer to filter impurities. It is recommended to check and clean the filter screen every 10,000-20,000 km to prevent impurities from blocking and affecting the fuel flow control. When cleaning, you can use a special cleaner to soak it and then gently brush it with a soft brush to ensure that the filter screen is transparent.
Check the electrical connection
Every certain mileage (about 5,000-10,000 kilometers), check whether the connecting plug of the valve is loose or oxidized. If there is any problem, tighten or replace the plug in time to ensure the stable transmission of electrical signals between ECU and valve, and avoid misoperation of the valve due to signal interruption or abnormality.
Performance monitoring
Every six months or according to the mileage specified by the manufacturer, use a professional automobile diagnostic instrument to test the flow control performance of the suction control valve, and compare the standard data to see if there is any deviation. If abnormal flow is found, further troubleshooting shall be conducted in combination with vehicle working conditions, and valves shall be replaced if necessary.