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Home >> Kia >> 2024 >> Niro Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control/Fuel System - General Information (PHEV) >> Troubleshooting >> Basic Troubleshooting Guide >> Symptom Troubleshooting Guide Chart >> Engine Is Knocking

Engine Is Knocking

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Inspection Procedure Possible Cause
  1. Inspect fuel pressure
  2. Inspect spark plug
  3. Inspect engine coolant
  4. Inspect radiator and cooling fan
  • Check the DTC
  • Contaminated fuel
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