Grand Prix V6-204 3.4L DOHC VIN X SFI (1995)
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Power Steering Pressure Switch: Description and Operation
Power Steering Pressure Switch
This switch tells the PCM that the vehicle is in a parking maneuver. The PCM uses this information to compensate for the additional engine load by
moving the Idle Air Control valve. The PCM will also turn "OFF" the A/C clutch when high pressure is detected.