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Home >> Kia >> 2020 >> Cadenza Technology >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (4 Of 6) >> DTC P053F-00: Cold Start Fuel Pressure Performance >> System Inspection >> Check The Fuel Pressure Control Valve

Check The Fuel Pressure Control Valve

  1. Ignition "OFF".
  2. Connect VMI to KDS and select "Oscilloscope".
  3. Ignition "ON"., Engine "ON"
  4. Measure signal waveform between Pin No. 2 (high) terminal of FPCV connector and chassis ground with VMI.
  5. Measure signal waveform between Pin No. 1 (low) terminal of FPCV connector and chassis ground with VMI.

    Specification:  Refer to Figures 1 and 2 below

    G13409046Courtesy of KIA MOTORS AMERICA, INC.
    G13409047Courtesy of KIA MOTORS AMERICA, INC.
  6. Does the FPCV operate properly? (Check variation)

    YES 

    NO 

    • Carefully re-do this troubleshooting guide steps.
    • If no problems were found with the circuits or connectors, replace the FPCV and go to "VERIFICATION OF REPAIR " procedure.
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