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Home >> Jeep >> 1994 >> Grand Cherokee Laredo, 5.2 Y, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - 4.0L >> Computerized Engine Controls >> Input Devices >> Power Steering Switch

Power Steering Switch

The power steering switch sends a signal to PCM when system pressure rises to greater than 250-300 psi (17.6-21.1 kg/cm2 ) when engine RPM is low. The PCM, through IAC motor, will then increase idle speed to prevent engine stalling.

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