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Home >> Hyundai >> 2017 >> Azera Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) >> DTC P0133: O2 Sensor Circuit Slow Response (Bank 1/Sensor 1) >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitor HO2S's response rate
  1. Poor connection
  2. Faulty HO2S
  3. Faulty PCM
Enable Conditions
  • Engine warm-up sufficiently
  • Engine run time > 60 sec
  • Drive at a steady speed between 45-55 mph (72-88 km/h)
  • Engine Coolant > 70°C (158°F)
  • No disabling faults
Threshold value
  • The calculated response rate is too slow (out of threshold in PCM)
Diagnosis Time
  • Continuous
MIL On Condition
  • 2 Drive Cycles
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