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Home >> Kia >> 2019 >> Optima S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 211 (Fuel Delivery System (PHEV)) >> Fuel Pump Control Module (FPCM) >> Repair Procedures >> Inspection

Repair Procedures: Inspection

WARNING: This page is about a different variant/trim than selected.
  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

    G13155876Courtesy of KIA MOTORS AMERICA, INC.
  4. Check the voltage provided to the fuel pressure sensor (FPS) at idle.

    Specification: 1.9 - 3.2 V

    G13155877Courtesy 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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