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Home >> Hyundai >> 2005 >> Elantra GLS, 4D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Troubleshooting Procedures >> DTC P2097: Post Catalyst Fuel Trim System Too Rich (Bank 1) >> DTC Detecting Condition

DTC P2097: Post Catalyst Fuel Trim System Too Rich (Bank 1): DTC Detecting Condition

DTC DETECTING CONDITION

Item Detecting Condition Possible Cause
Case1 DTC Strategy
  • Monitoring deviation of fuel trim control (Long term)
  • Three Way Catalytic Converter (TWC)
  • Rear HO2S
Enable Conditions
  • No relevant failure
  • Long term fuel trim active
Threshold Value
  • Trim value at Limits (-0.028) more than 60 sec.
Diagnostic Time
  • 60 sec.
Case2 DTC Strategy
  • Monitoring deviation of fuel trim control (Short term)
Enable Conditions
  • No relevant failure
  • Stable driving condition
  • Short term fuel trim active
Threshold Value
  • Deviation at Limits (-0.60) more than 10 ~ 30 sec.
Diagnostic Time
  • 30 sec.