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Home >> Saturn >> 2002 >> SC1 Automatic >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Control System - Theory & Operation >> Emission Systems >> Secondary Air Injection System >> AIR Vacuum Control Solenoid

AIR Vacuum Control Solenoid

The AIR vacuum control solenoid controls the AIR Shut Off Valve. When the secondary air injection system is enabled, the control module provides a ground to the solenoid. Enabling the solenoid allows the engine vacuum to be applied to the AIR shut off valve.