Hyundai Ioniq: Rail Pressure Sensor (RPS) / Description and operation
Rail Pressure Sensor (RPS) is installed on the delivery pipe and measures the instantaneous fuel pressure in the delivery pipe. The sensing element (Semiconductor element) built in the sensor converts the pressure to voltage signal. By using this signal, the ECM can control correct injection amount and timing and adjusts the fuel pressure with the fuel pressure regulator valve if the target pressure and the actual pressure calculated by the RPS output signal are different.

Other information:
Safety PrecautionPrecautions To Take Before Servicing High Voltage System
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Since hybrid vehicles contain a high voltage battery, if the high voltage system or vehicles are handled incorrectly, this might lead to a serious accidents like electric shock and electric leakage...
Removal and Installation1.Remove the crankshaft damper pulley.(Refer to Timing System - "Crankshaft Damper Pulley")2.Remove the front oil seal (A).3.Apply engine oil to a new oil seal lip & outer surface.
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Remove any debris from the lip portion of the oil seal...
Categories
The front seat can be adjusted by using the levers located on the outside of
the seat cushion. Before driving, adjust the seat to the proper position so that
you can easily control the steering wheel, foot pedals and controls on the instrument
panel.
Forward and rearward adjustment

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