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Power Steering Pressure Sensor
Power Steering Pressure SensorPower Steering Pressure (PSP) Sensor:
The Power Steering Pressure (PSP) sensor monitors the hydraulic pressure within the power steering system. The PSP sensor voltage input to the PCM will change as the hydraulic pressure changes. The PCM uses the input signal from the PSP sensor to compensate for additional loads on the engine by adjusting the idle rpm and preventing engine stall during parking maneuvers. Also, the PSP sensor signals the PCM to adjust transmission Electronic Pressure Control (EPC) pressure during the increased engine load, for example during parking maneuvers.