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Home >> Hyundai >> 2006 >> Elantra Limited >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G4GC-GSL 2.0) >> 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

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring deviation of fuel control
  • Air leakage
  • Leaking EVAP system
  • Low fuel pressure
  • Faulty sensor signals
Enable Condition
  • No relevant failure
  • Estimated canister loading < 1
  • Lambda control active
  • Estimated fuel dilution in oil limited is 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.
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