FixVault
Home › Kia › 2023 › 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

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
About FixVault