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Home >> Acura >> 1994 >> Integra GS-R, 2D Coupe >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Air Induction System >> By-Pass Control System (1.8L GS-R) >> By-Pass Control Solenoid Valve
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By-Pass Control Solenoid Valve

When engine RPM is less than 5750 RPM, signal from PCM activates by-pass control solenoid valve and intake air goes through long intake path. When engine speed is more than 5750 RPM, by-pass solenoid valve is shut off and intake air goes through both intake paths.