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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 66 (Engine Control System & Fuel System - 5.3L - DTC P0016 To DTC P0358) >> DTC P0133, P0134, P0140, P1133, P2270, P2271, P2A00, or P2A01 >> DTC Descriptors

DTC Descriptors

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0133

HO2S Slow Response Sensor 1

DTC P0134

HO2S Circuit Insufficient Activity Sensor 1

DTC P0140

HO2S Circuit Insufficient Activity Sensor 2

DTC P1133

HO2S Insufficient Switching Sensor 1

DTC P2270

HO2S Signal Stuck Lean Bank 1 Sensor 2

DTC P2271

HO2S Signal Stuck Rich Bank 1 Sensor 2

DTC P2A01

HO2S Performance Sensor 2

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