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Home >> Hyundai >> 2007 >> Tiburon GS, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G4GC-GSL 2.0L) >> DTC Troubleshooting Procedures >> DTC P0171 System Too Lean (Bank 1) >> DTC Detecting Condition

DTC P0171 System Too Lean (Bank 1): DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring deviation of fueling control (Long term + Short term)
  • Air leakage
  • Leaking EVAP system
  • Low fuel pressure
  • Faulty sensor signals
Enable Conditions
  • Canister Load limited < 1
  • Lambda control active
  • No relevant failure
  • Estimated fuel dilution in Oil limited in rich side
Threshold Value
  • Lambda controller + Trim value > 36%
  • The above condition is met for more than 60 sec. within 180 sec
Diagnostic Time
  • 60 seconds
Fail Safe
  • EVAP Emission control function is controlled in minimum operation mode
Mil On Condition
  • 2 Driving Cycles
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