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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 65 (Engine Control System & Fuel System - 3.8L - DTC P0016 To DTC P0350) >> DTC P0133, P0134, P0140, P1133, P1134, P2270, P2271, or P2A00 >> 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 P1134

HO2S Transition Time Ratio Bank 1 Sensor 1

DTC P2270

HO2S Signal Stuck Lean Sensor 2

DTC P2271

HO2S Signal Stuck Rich Sensor 2

DTC P2A00

HO2S Circuit Closed Loop (CL) Performance Sensor 1