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Home › Hyundai › 2019 › Accent Limited › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (1 Of 3) › DTC P0133-00: O2 Sensor Circuit Slow Response (Bank 1/Sensor 1) › DTC Information › DTC Detecting Condition

DTC Information: DTC Detecting Condition

Troubleshooting Condition Possible Cause
Main Action
  • 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 640°C (1, 84°F)
  • ECT is higher than 40.5°C (104.9°F)
  • Purge active time is higher then 5sec
  • Engine load is higher than 25% and lower than 60%
  • Exhaust Gas temperature is higher than 400°C (752°F)
  • Fuel cut condition OFF
  • Closed loop fuel control
  • Engine speed is higher than 1320 RPM and lower than 2520 RPM
Threshold Value
  • Ratio of expected area to actual area is lower than 0.35
Diagnostic Time
  • -
MIL
  • 2 driving cycle
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