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Home >> Mitsubishi >> 2002 >> Lancer LS >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Power Steering Oil Pressure Switch

Power Steering Oil Pressure Switch

Switch detects increase in power steering oil pressure. When power steering oil pressure increases, switch contacts close, signaling ECM/PCM. ECM/PCM commands IAC motor, raising idle speed to compensate for drop in engine RPM due to power steering load.

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