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Home › Kia › 2020 › Optima EX › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Control System - 1.6L (Except HEV) › Rail Pressure Sensor (RPS) › Repair Procedures › Inspection

Repair Procedures: Inspection

  1. Connect the KDS on the Data Link Connector (DLC).
  2. Measure the output voltage of the RPS at idle and various engine speed.
    RPS OUTPUT VOLTAGE SPECIFICATION

    Condition Output Voltage (V)
    Idle Approx. 1.2
    1, 500 RPM 2.0 - 2.2
    6, 300 RPM Approx. 2.8
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