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Home >> Hyundai >> 2014 >> Veloster Base, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) - Non-Turbo >> 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
  • Dew point end detected
  • Fuel feed back control active
  • Battery voltage > 11V
  • Exhaust Gas temperature = 536°F~1472°F
  • No injector error
  • No upstream O2 sensor heater error
  • Engine speed 1800~2800rpm
  • Engine load is higher than 20% and lower than 65%
Threshold Value
  • Cycle period of S1 signal > 1.75 sec
Diagnostic Time
  • 11 cycle
MIL ON Condition
  • 2 driving cycle

S1: upstream oxygen sensor/S2: downstream oxygen sensor

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