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Home >> Hyundai >> 1994 >> Excel Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Power Steering Oil Pressure Switch
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Power Steering Oil Pressure Switch

Power steering oil pressure switch activates with increase in power steering fluid pressure (load condition). With switch contact closed, circuit from ECM to vehicle ground is completed. ECM sends signal to IAC motor to adjust idle speed for increased engine load.

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