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Home >> Kia >> 2022 >> Carnival EX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control/Fuel System - General Information >> Troubleshooting >> Basic Troubleshooting >> Symptom Troubleshooting Guide Chart >> Unable to start >> Incomplete combustion

Incomplete combustion

Diagnostic procedure Additional check point
  1. Test the battery
  2. Check the fuel pressure
  3. Check the ignition circuit
  • DTC
  • Low compression
  • Intake air leaks
  • Slipped or broken timing chain
  • Contaminated fuel
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