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Structure and Components of the Idle Air Control Solenoid Valve
2025-12-29
The Idle Air Control Solenoid Valve is designed to balance response speed, durability, and control accuracy, and typically consists of multiple precision components working together. Its core structure includes an electromagnetic coil, valve core assembly, spring, valve body, and seals.
The electromagnetic coil is the driving component, generating a magnetic force after receiving a control signal from the ECU, which then moves the valve core. The valve core directly determines the degree of opening or closing of the air passage, and its manufacturing precision directly affects the idle speed control performance. The spring provides a return force when the power is off or under specific operating conditions, ensuring system safety and reliability.
The valve body is generally made of aluminum alloy or high-strength engineering plastic, which not only provides good heat resistance and corrosion resistance but also helps reduce the overall vehicle weight. High-quality seals effectively prevent air leakage and ensure accurate control.
The rational structural design allows the Idle Air Control Solenoid Valve to operate stably for extended periods in harsh environments such as high temperatures and vibrations, making it an indispensable component in the engine idle speed management system.
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