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Home >> Mercury >> 1991 >> Capri Base, Standard >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> CEC Input Devices >> Power Steering Pressure Switch (PSPS)

Power Steering Pressure Switch (PSPS)

This switch is located on the power steering pump and sends data about power steering operation to the ECA. The ECA uses this data for idle speed control.

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