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Ioniq Plug-In Hybrid
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System Diagnosis (PHEV) (3 Of 3)
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DTC P2271: O2 Sensor Signal Stuck Rich (Bank 1 Sensor 2)
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DTC Information
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DTC Detecting Condition
DTC Information: DTC Detecting Condition
Item
Detecting Condition
Possible Cause
DTC Strategy
No signal activity
Poor connection
Short to Power in signal circuit
HO2S (B1/S2)
ECM
Enable Conditions
-
Threshold Value
S2 sensor voltage is higher than 0.2V
Diagnostic Time
-
MIL ON Condition
2 Driving Cycles