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Home >> Hyundai >> 2023 >> Elantra N Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 6) >> DTC P0133-00: O2 Sensor Circuit Slow Response (Bank 1/Sensor 1) >> DTC Information and Inspection >> DTC Detecting Condition

DTC Information and Inspection: DTC Detecting Condition

Troubleshooting Condition Possible Cause
Main Action
  • Rationality check
  1. Poor contact of connector
  2. Leak or clog in intake air system
  3. O2 Sensor (Up)
Prerequisite Condition
  • Temperature of O2 Sensor (Up) ceramic is greater than 1184°F (640C)
  • Air/fuel ratio control
  • P013300 diagnosis is synchronized with P042000 monitoring
Threshold Value
  • Integral (Lambda signal amplitude measured/Lambda signal amplitude of a slow sensor) more than 1
Diagnostic Time
  • Every 20 times when air/fuel ratio control is activated
MIL
  • 2nd driving cycles
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