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HOMESERVICE MANUALSKIA2010RONDO LX, 2.7 6REPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM DIAGNOSIS (1 OF 3) - 2.7LDTC P0139: HO2S CIRCUIT SLOW RESPONSE (BANK 1 SENSOR 2)GENERAL INFORMATIONDTC DETECTING CONDITION
2010 Kia Rondo LX, 2.7 6

General Information: DTC Detecting Condition

2010 Kia Rondo LX, 2.7 6SECTION DTC Detecting Condition
DTC DETECTING CONDITION CHART

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitor HO2S's response time
  • Poor Connection
  • Faulty HO2S
  • Faulty PCM
Enable Conditions
  • The same conditions as P0420's enable conditions
  
Threshold value
  • The calculated response time is too long.
Diagnosis Time
  • One time during catalyst diagnosis
MIL On Condition
  • 2 Driving Cycles
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.