gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Oxygen Sensor|Diagrams > < Oil Pressure Sensor|Service and Repair|Page 1322
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Oxygen Sensor: Locations

Engine Controls Component Views

Rear of the Engine (4.3L/5.3L)

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
5 - Park/Neutral Position (PNP) Switch

Oxygen Sensor|Diagrams > < Oil Pressure Sensor|Service and Repair|Page 1322