Sierra 1500 2WD V6-4.3L (2008)
Oxygen Sensor: Locations
Powertrain Component Views
Left Side of the Engine Components (4.3L)
1 - Generator
2 - Throttle Body
3 - Transmission
4 - Park/Neutral Position (PNP) Switch
5 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
6 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
7 - Knock Sensor (KS) - 1
8 - Engine Coolant Temperature (ECT) Sensor
9 - A/C Compressor Clutch (C67/CJ2)
Right Side of the Engine Components (4.3L)
