DTC P0134: Ho2S Circuit No Activity Detected (Bank 1/Sensor 1): DTC Detecting Condition

2005 Hyundai Santa Fe GLS, 2.7 D, AWDSECTION DTC Detecting Condition
WARNING: This page is about a different variant/trim than selected.
DTC DETECTING CONDITION CHART

Item Detecting Condition Possible cause
DTC Strategy
  • O2 sensor staying time (TFB2) below or upper the for rich/lean decision voltage is monitored.
  • Poor connection
  • Air leakage
  • Incorrect fuel pressure
  • Faulty HO2S
  • Faulty PCM
Case 1 Enable Conditions
  • Engine coolant < 75Β°C (167Β°F)
  • Engine speed 1400~3500 RPM
  • Load value 16% ~ 62%
Threshold value
  • Time < 30 sec.
Case 2 Enable Conditions
  • Engine running condition
Threshold value
  • Time < 127 sec.
Diagnosis Time
  • Continuous
MIL On Condition
  • 2 driving cycles
RENDER: 1.0x

NO RELATED

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

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