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Home >> Kia >> 2023 >> Carnival EX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control/Fuel System - General Information >> Troubleshooting >> Basic Troubleshooting >> Symptom Troubleshooting Guide Chart >> Difficult to start

Difficult to start

Diagnostic procedure Additional check point
  1. Test the battery
  2. Check the fuel pressure
  3. Check the ECT sensor and circuit (Check DTC)
  4. Check the ignition circuit
  • DTC
  • Low compression
  • Intake air leaks
  • Contaminated fuel
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