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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1045 (Engine Controls And Fuel - 4.3L - DTC P0016 To DTC P0336) >> DTC P0133, P0134, P0140, P1133, P2270, P2271, P2A00, or P2A01 >> DTC Descriptors

DTC Descriptors

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

HO2S Slow Response Bank 1 Sensor 1

DTC P0134

HO2S Circuit Insufficient Activity Bank 1 Sensor 1

DTC P0140

HO2S Circuit Insufficient Activity Bank 1 Sensor 2

DTC P1133

HO2S Insufficient Switching Bank 1 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 Bank 1 Sensor 2

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