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Home › Hyundai › 2012 › Equus Signature › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (1 Of 2) - 5.0L › DTC P0133: O2 Sensor Circuit Slow Response (Bank 1/Sensor 1) › General Information › DTC Detecting Condition

General Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitor HO2S's response rate
  1. Poor connection
  2. B1S1
  3. ECM
Enable Conditions
  • 1240 < rpm < 2000
  • 30% < Engine load < 63%
  • EGT around upstream O2S > 400°C (752°F)
Threshold value
  • Average cycle period of O2S signal for 7 cycles > 2.0sec
Diagnosis Time
  • -
MIL On Condition
  • 2 Driving Cycles
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