LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2017 >> Niro FE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (6 Of 6) >> DTC P2271-00: O2 Sensor Signal Stuck Rich (Bank 1 / Sensor 2) >> DTC Information >> DTC Detecting Condition
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring O2 sensor output
  • Poor connector connection
  • O2 Sensor
  • ECM
Enable Conditions
  • -
Threshold Value
  • Downstream O2 Sensor voltage more than 0.2 when lambda is lean
Diagnostic Time
  • -
MIL ON Condition
  • 2 driving cycles