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Home >> Kia >> 2004 >> Amanti >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC P0159: O2 Sensor Circuit Slow Response >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item Detecting Condition Possible cause
DTC Strategy
  • Rationality Check
  • Poor connection
  • HO2S deteriorated
  • Leak in exhaust system
  • Faulty PCM
Enable Conditions
  • Engine coolant > 167 °F (75 °C) fuel Cut On
Threshold value
  • Response Rate, (TRL) greater than or equal to 1 sec
Diagnosis Time
  • 3 sec continuous
MIL On Condition
  • 2 driving cycles
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