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Home >> Hyundai >> 2016 >> Azera Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2098: Post Catalyst Fuel Trim System Too Lean (Bank 2) >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Fuel Trim Rear Sensor Control Limits Exceeded
  1. Air leakage in exhaust System
  2. HO2S
  3. TWC
Enable Conditions
  • Cell Enabled
  • Barometric Pressure ≥ 74 kPa
  • Intake Air Temperature ≥ -10 °C
  • System Voltage ≥ 10.9936 V
  • Closed Loop Active
  • BLM learn Allowed
  • Disabling Fault not present
Threshold value
  • Front O2 Sensor switch point ≥ 0.6V

    Rear O2 Sensor Voltage < 0.275V
Diagnosis Time
  • Fail count > 60 within 80 samples 250ms continuous loop
MIL On Condition
  • 2 Drive Cycles
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