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Home >> Kia >> 2019 >> Optima SX >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.0L (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 and fuel pressure of the RPS at idle and various engine speed.
Pressure Output Voltage (V) [Vref=5V]
bar [MPa (kgf/cm2 , psi)]
0 0 (0, 0) 0.5
140 14 (142, 2031) 2.5
280 28 (286, 4061) 4.5
G12922324Courtesy of KIA MOTORS AMERICA, INC.
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