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Home › Buick › 2006 › Allure CXS › Repair and Diagnosis › Engine Performance › System › Engine Control System - 3.6L (Ly7) - DTC P2231 To DTC P2626 › DTC P2270 › DTC Descriptor

DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC P2270 HO2S Signal Stuck Lean Sensor 2

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