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Home >> Kia >> 2008 >> Sedona Base >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures (1 Of 2) >> DTC P0159 Ho2S Circuit Slow Response (Bank 2/Sensor 2) >> DTC Detecting Condition

DTC P0159 Ho2S Circuit Slow Response (Bank 2/Sensor 2): DTC Detecting Condition

DTC DETECTING CONDITION

Item Detecting Condition Possible cause
DTC Strategy
  • Determines if Rear O2 Sensor is acceptable for Idle Catalyst Monitor use
  • Poor Connection
  • Faulty HO2S
  • Faulty PCM
Enable Conditions
  • Idle Catalyst Monitor Diagnostic is enabled HO2S
Threshold value
  • Response time of rear oxygen sensor by shifting air-fuel ratio from lean to rich and vice versa ≥ 25sec.
Diagnosis Time
  • -
MIL On Condition
  • 2 Driving Cycles
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