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Home >> Kia >> 2017 >> Niro EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 6) >> DTC P0090-00: Fuel Pressure Regulator 1 Control Circuit/Open >> System Inspection >> Visual Inspection
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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.
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