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Home >> Kia >> 2005 >> Rio Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures >> DTC Troubleshooting >> DTC P1166: Ho2S System - Lambda Controller At The Limit (Bank 1) >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSES

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring lambda controller deviation
  • Air leakage or restriction in intake or exhaust system
  • Dirty engine oil or oil level too high
  • Front HO2S or MAFS contamination
  • Fuel system
  • EVAP system
  • Faulty sensor signals
Enable Conditions
  • Lambda regulation active
  • Coolant temperature > 76°C (168.8°F)
  • No relevant failure
  • Battery voltage > 10V
  
Threshold Value
  • Lambda controller = -30%/+40%
Diagnostic Time
  • 25 sec. Continuous
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