LEMON Manuals: Even more car manuals for everyone
Home >> Kia >> 2007 >> Rio Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> DTC Troubleshooting Procedures (1 Of 2) >> DTC P0139 Ho2S Circuit Slow Response (Bank 1 / Sensor 2) >> DTC Detecting Condition

DTC P0139 Ho2S Circuit Slow Response (Bank 1 / Sensor 2): DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSES

Item Detecting Condition Possible Cause
DTC Strategy
  • Response rate
  • Poor connection
  • leak or clog in intake air system
  • Injector
  • Fuel pressure
  • B1S2
  • ECM/PCM
Enable Conditions
  • Time after fuel cut-off > 5 s
  • Integrated air mass after fuel cut-off > 15 g (0.53 oz.)
  • Time after dew point end detected > 30 s
Threshold Value
  • B1S2 sensor voltage > 0.15 V
Diagnostic Time
  • 0.2 sec
MIL ON Condition
  • 2 driving cycle
* B1S1: upstream oxygen sensor / B1S2: downstream oxygen sensor