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Home › Chevrolet › 2009 › Traverse LT, FWD › Repair and Diagnosis › Engine Performance › System › Engine Control System & Fuel System - 3.6L - DTC P0638 To DTC P2635 › DTC P2271 or P2273 › DTC Descriptors

DTC Descriptors

DTC P2271

HO2S Signal Stuck Rich Bank 1 Sensor 2

DTC P2273

HO2S Signal Stuck Rich Bank 2 Sensor 2

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