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Home >> Hyundai >> 2004 >> Accent Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC Troubleshooting Procedures >> DTC P2191: System Too Lean At Higher Load (Multiple) (Bank 1) >> DTC Detecting Condition
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DTC P2191: System Too Lean At Higher Load (Multiple) (Bank 1): DTC Detecting Condition

DTC DETECTING CONDITION

Item Detecting Condition Possible cause
Monitoring Strategy
  • Fuel trim limit
  • Faulty ignition system.
  • EVAP PCSV malfunction.
  • Faulty fuel injectors.
  • Leak in exhaust system.
  • Faulty MAP, TPS, ECTS.
  • Faulty front HO2S.
  • Faulty PCM
Threshold value
  • Multiplicative long term value 1, 2:> 1.23
Enable Conditions
  • Coolant temperature > 70°C(158°F)
  • Intake air temperature < 80°C(176°F)
  • Throttle angle < 60%
  • Integrated air mass > 10 grams
  • Closed loop control enabled
  • No transient control phase
  • No canister purge phase
  • Air mass1 40-80 kg/h
  • Air mass2 > 100 kg/h
Diagnostic Time
  • 25 sec
Fail Safe
  • None
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