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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 95 (Engine Control System Diagnosis - 1.6L (1 Of 3) - Optima (Except HEV)) >> DTC P0133: O2 Sensor Circuit Slow Response (Bank 1/Sensor 1) >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different variant/trim than selected.
Item Detecting Condition Possible Cause
DTC Strategy
  • Response rate monitor
  1. Poor connection
  2. Leak or clog in intake air system
  3. Injector
  4. Fuel pressure
  5. HO2S (S1)
Enable Conditions
  • Engine load greater than 25% and less than 65%
  • Fuel feed back control condition is active
  • Engine speed and Engine speed greater than 1800RPM and less than 2800RPM
Threshold Value
  • Difference between real signal period and modeled signal period is greater than 1.75s
Diagnostic Time
  • 20 signal cycles
MIL ON Condition
  • 3 driving cycles

* S1: upstream oxygen sensor/S2: downstream oxygen sensor

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