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Home >> Hyundai >> 2016 >> Sonata Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 2.4L (Except HEV) (1 Of 2) >> 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
  • Check HO2S Signal Amplitude
  1. Leak in intake or exhaust system
  2. Poor connection or damaged harness
  3. HO2S contamination
Enable Conditions
  • See catalyst diagnosis (P0420) activation condition (DTC Detecting Condition )
  • No relevant failure
  • Sensor tip temperature is higher than 640°C (1, 184°F)
Threshold Value
  • Integral (Lambda signal amplitude measured/Lambda signal amplitude of a slow sensor) is greater than 1.0
Diagnostic Time
  • 25 lambda controller cycle
Mil On Condition
  • 2 Driving Cycles
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