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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 (Engine Control System Diagnosis - 2.0L (1 Of 3) (Except HEV)) >> DTC P0133: O2 Sensor Circuit Slow Response (Bank 1 Sensor 1) >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Check HO2S Signal Amplitude
  1. Leak in intake or exhaust system
  2. Poor connection or damaged harness
  3. HO2S contamination
Enable Conditions
  • Upstream O2 sensor operative readiness detected (Sensor tip temperature is higher than 640°C (1, 184°F))
  • Battery voltage between 11 V and 16 V
  • Catalyst Diagnosis monitoring active
Threshold Value
  • Integral (Lambda signal amplitude measured/Lambda signal amplitude of a slow sensor) is greater than 1.0
Diagnostic Time
  • 25 lambda controller cycle
Mil On Condition
  • 2 Driving Cycles
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