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Home >> Hyundai >> 1987 >> Excel Base, 2D Hatchback >> Repair and Diagnosis >> Engine Performance >> System >> Feedback Carburetor System >> Operation >> Secondary Air Control

Secondary Air Control

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Air control valve vacuum is controlled by signal from secondary air control solenoid. The solenoid is controlled by ECU based on engine speed, idle position and coolant temperature. This valve sends air to exhaust manifold.