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Home >> Kia >> 2019 >> Niro Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (1 Of 6) >> DTC P0090-00: Fuel Pressure Regulator 1 Control Circuit/Open >> System Inspection >> Visual Inspection

Visual Inspection

  1. Check for fuel filter blockage.
  2. Check for proper fuel level.
  3. Check for low-pressure fuel supply line leakage and blockage.

    Good 

    No Good