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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 88 (Fuel Delivery System - 1.6L - Optima (Except HEV)) >> 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/GDS 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

    Fig 1: Checking Power Supply Voltage To Fuel Pressure Sensor
    G11823608Courtesy of KIA MOTORS AMERICA, INC.
  4. Check the voltage provided to the fuel pressure sensor (FPS) at idle.

    Specification: 1.9 - 3.2 V

    Fig 2: Checking Voltage To Fuel Pressure Sensor (FPS) At Idle
    G11823609Courtesy 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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