Product Description:

Car Vapor Canister Purge Solenoid Tube Evaporator Pipe
OE number:  31478982 31478983 31319904
Applicable vehicle type: For Volvo
 

The carbon canister solenoid valve, also known as the carbon canister purge valve or EVAP solenoid valve, is a critical component within a vehicle's evaporative emissions control system (EVAP system). Typically an electrically operated solenoid valve driven by the engine control unit (ECU), it regulates the flow of fuel vapour from the activated carbon canister into the engine's intake manifold. Its primary function is to open the solenoid valve at appropriate intervals during engine operation, directing fuel vapour adsorbed by the canister's activated carbon into the intake manifold for combustion. This prevents direct atmospheric release of fuel vapour, thereby reducing pollutant emissions and enhancing fuel economy. The performance of the charcoal canister solenoid valve directly impacts a vehicle's environmental compliance and fuel economy: a high-quality valve ensures precise and timely evaporative emissions control, preventing emission exceedances while enhancing engine combustion efficiency.

The operating principle of the charcoal canister solenoid valve is based on the opening and closing of an electromagnetically controlled valve. Under normal conditions, the valve remains closed to prevent direct leakage of fuel vapour from the canister into the atmosphere. When the engine ECU detects that operating conditions are met (such as the engine reaching normal operating temperature, or the vehicle being at idle or cruising), it sends an electrical signal to energise the solenoid coil. This generates a magnetic field that attracts the valve spool, opening the valve. At this point, fresh air drawn into the charcoal canister by the vacuum from the intake manifold carries the fuel vapour adsorbed by the activated carbon into the engine combustion chamber for combustion. When vapour introduction is unnecessary (e.g. engine shutdown, excessively low idle speed, or emission control system diagnostics), the ECU interrupts power to the solenoid valve. The coil de-energises, allowing spring force to reset the valve core and close the passage, halting fuel vapour flow. This precisely controlled opening and closing cycle, regulated by the ECU, achieves efficient recovery and utilisation of fuel vapour. This approach not only meets environmental regulations but also enhances fuel economy.

Multiply Brands Auto Parts We Offer:

Why choice us:

1. Industry Experience: 20 years of experience in the auto parts industry, with in-depth market and product knowledge.

2. Professional Team: A team of experienced experts who can professionally answer all customer inquiries about auto parts.

3. Direct Partnerships: Direct partnerships with multiple auto repair shops, offering first-hand industry feedback and technical support.

4. High-Quality Products: Providing high-quality auto parts to ensure reliability and durability.

5. Comprehensive Inventory: A wide range of product lines and ample inventory to meet diverse customer needs.

6. Quick Response: Offering rapid response services to quickly address customer questions and needs.

7. Customized Services: Providing customized part solutions to meet specific vehicle or customer requirements.

8. Technical Support: Offering professional technical support and installation guidance.

9. After-Sales Service: A strong after-sales service network to ensure customers receive necessary support after product use,If you have any questions after receiving the goods, please contact us in time and we will provide the best solution.

10. Price Advantage:Competitive pricing due to long-standing supply chain relationships.

11. Quality Assurance:All products go through strict quality control processes to meet industry standards.

12. Fast Shipping: Over 500000+ in stock, we can ship them in a short time.

Company Profile:

Beijing Huarui Jietong Trading Co., Ltd. has been engaged in the automotive aftermarket for 20 years and is a professional supplier of auto parts. Located in the capital of China, Beijing, we have factories in Beijing, Guangzhou, and Jiangsu, which enable us to meet our customers' demands for quality and quantity in a timely and efficient manner.
 

 
The company primarily focuses on accessories for Land Rover, Jaguar, and Volvo product series, including Air Conditioning Systems, Braking Systems, Driving Systems, Engine Systems, Cooling Systems, Auto Body Systems, Steering Systems, Suspension Systems, Transmission Systems, and other related parts. Facing the trend of economic globalization, our company is committed to bringing better products and services to the world, providing high-quality products and services for domestic and foreign enterprises and customers.
 
We welcome any inquiries and look forward to your contact.
 
 
 

 
 
 
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