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Home >> Kia >> 2009 >> Optima EX, 2.4 8 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> DTC Troubleshooting Procedures (1 Of 2) - 2.4L >> DTC P0133: O2 Sensor Circuit Slow Response (Bank 1/Sensor 1) >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item Detecting Condition Possible Cause
DTC Strategy
  • Check HO2S Signal Amplitude
  • Leak in intake or exhaust system.
  • Poor connection or damaged harness
  • HO2S contamination
Enable Conditions
  • see catalyst diagnosis (P0420) activation condition
  • No relevant failure
  • 11V < Battery voltage < 16V
Threshold Value
  • Integral (Lambda signal amplitude measured/Lambda signal amplitude of a slow sensor) > 1.0
Diagnostic Time
  • 25 lambda controller cycle
Mil On Condition
  • 2 Driving Cycles
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