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Home >> Buick >> 2006 >> Allure CX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - 3.8L - DTC P0451 To DTC P2120 >> DTC P1133 >> DTC Descriptor
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DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC P1133 HO2S Insufficient Switching Bank 1 Sensor 1

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