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Home >> Hyundai >> 2021 >> Ioniq Plug-In Hybrid Limited >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (1 Of 3) >> DTC P0133: O2 Sensor Circuit Slow Response (Bank 1/Sensor 1) >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Rationality check
  1. Poor connection
  2. Leak or clog in intake air system
  3. Injector
  4. Fuel pressure
  5. S1
Enable Conditions
  • Engine load is higher than 25% and lower than 65%.
  • Engine speed is higher than 1320 rpm and lower than 2520 rpm.
  • Exhaust Gas temperature is higher than 752°F (400°C).
Threshold Value
  • Ratio of expected area to actual area is higher than 1.0
Diagnostic Time
  • -
MIL ON Condition
  • 2 driving cycle
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