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Home >> Kia >> 2018 >> Niro Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (2 Of 6) >> DTC P0133-00: O2 Sensor Circuit Slow Response (Bank 1/Sensor 1) >> System Inspection >> Fuel line Inspection

Fuel line 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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