LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2019 >> Cadenza Technology >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 6) >> DTC P0174-00: System Too Lean (Bank 2) >> DTC Information >> DTC Detecting Condition
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring the deviation of short term fuel trim
  1. Air leakage
  2. Fuel pressure
  3. PCV valve
  4. Injector
Enable Conditions
  • Coolant themperature higher than 74°C (165.2°F)
  • Idle long term fuel trim active conditions
    • Engine speed lower than 900RPM
    • Intake air less than 0.048g/rev
  • Part Load long term fuel trim active conditions
    • Engine speed higher than 1150RPM and lower than 4000RPM
    • Intake air more than 0.03g/rev and less than 0.099g/rev
Threshold Value
  • Idle long term fuel trim higher than 0.012g/rev or Part load long term fuel trim higher than 25%
Diagnostic Time
  • 90s
MIL ON Condition
  • 2 driving cycles