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Home >> Kia >> 2024 >> Carnival LX >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> Engine Control/Fuel System - General Information >> Troubleshooting >> Basic Troubleshooting >> Symptom Troubleshooting Guide Chart >> Poor driving (Surge)
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Poor driving (Surge)

Diagnostic procedure Additional check point
  1. Check the fuel pressure
  2. Inspect and test Throttle Body
  3. Check the ECT Sensor and circuit (Check DTC)
  4. Test the exhaust system for a possible restriction
  5. Check the long term fuel trim and short term fuel trim
  • Low compression
  • Intake air leaks
  • Contaminated fuel
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