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Home >> Hyundai >> 2017 >> Elantra Eco >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 1.4L (1 Of 3) >> DTC P0133: O2 Sensor Circuit Slow Response (Bank 1/Sensor 1) >> DTC Information >> DTC Detecting Condition
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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
  • Sensor Ceramic Temp. is higher than 1, 346°F (730°C)
  • ECT is higher than 149.54°F (65.3°C)
  • Purge active time is higher then 5 sec.
  • Engine load is between 25% and 85%.
  • Exhaust Gas temperature is higher than 752°F (400°C).
  • Engine speed is between 1320 RPM and 2520 RPM.
Threshold Value
  • Ratio of expected area to actual area is lower than 0.2.
Diagnostic Time
  • -
MIL ON Condition
  • 2 driving cycle
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