FixVault
Home › Kia › 2004 › Amanti › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (1 Of 2) › DTC P0139: O2 Sensor Circuit Slow Response › General Information › DTC Detecting Condition

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
About FixVault