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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) (PHEV) >> DTC P0133-00: 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
  • Electrical Monitoring
  1. Poor Connector Connection
  2. Air leak in Intake or Exhaust System
  3. Faulty Upstream O2 Sensor
Enable Conditions
  • Coolant temperature is higher than 55°C (131°F)
  • Barometric pressure is higher than 760hPa
  • Vehicle speed is higher than 5km/h
  • Engine RPM ranges from 1300 RPM to 3300 RPM
  • MAF sensor value is between 150 and 450mg/stk
  • Lambda control active
  • Stable driving condition
  • No relevant failure
  • Battery voltage ranges from 11V to 16V
Threshold Value
  • Integral (Lambda signal amplitude measured/Lambda signal amplitude of a slow sensor) more than 1
Diagnostic Time
  • 22 Lambda controller cycles
MIL ON Condition
  • 2 Driving Cycles