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Home >> Kia >> 2019 >> Optima EX >> Repair and Diagnosis (Single Page) >> Engine Performance >> Fuel Delivery >> Fuel Delivery System - 1.6L (Except HEV) >> Fuel Pump Control Module (FPCM) >> Repair Procedures >> Inspection

Repair Procedures: Inspection

  1. Connect the KDS to the vehicle's data link connector (DLC).
  2. Check any DTCs and if exist, repair according to the DTC guide.
  3. Check the power supply voltage provided to the fuel pressure sensor (FPS).

    Specification:  5V

    G12915547Courtesy of KIA MOTORS AMERICA, INC.
  4. Check the voltage provided to the fuel pressure sensor (FPS) at idle.

    Specification:  1.9 - 3.2 V

    G12915548Courtesy of KIA MOTORS AMERICA, INC.
  5. Check the fuel pressure in the low fuel line.

(Refer to Fuel Delivery System - "FUEL PRESSURE TEST ")

Items Specification
start Max. 600 KPa (Max. 6.1 kgf/cm2 , Max. 87.0 psi)
in operation 350 - 500 KPa (3.5 - 5.1 kgf/cm2 , 50.7 - 72.5 psi)
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