H3 V8-5.3L (2008)
Oxygen Sensor: Locations
Engine Compartment Components
1 - Engine Control Module (ECM) X1
2 - Engine Control Module (ECM)
3 - Heated Oxygen Sensor (HO2S) 2 (LLR)
4 - Fuse Block - Underhood
5 - Engine Harness
6 - Heated Oxygen Sensor (HO2S) 1 (LLR)
7 - Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
8 - Engine Control Module (ECM) X3
9 - Engine Control Module (ECM) X2
Right Rear of the Engine Components (LLR)
