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Home >> GMC >> 2012 >> Sierra Denali AWD V8-6.2L >> Repair and Diagnosis >> Locations >> Component Locations >> Powertrain Component Views >> Behind the Engine Components
Manuals through 2025 now available!

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Behind the Engine Components




Powertrain Component Views

Behind the Engine Components (L20, L96, L9H, LC9 or LMG)




1 - Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 1
2 - Heated Oxygen Sensor (HO2S) - Bank 2 Sensor 1
3 - Heated Oxygen Sensor (HO2S) - Bank 2 Sensor 2
4 - Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 2
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