Oxygen Sensor: Locations

Left Side of Engine (LS7)




1 - Manifold Intake Check Valve
2 - Engine Oil Pressure (EOP) Sensor
3 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
4 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
5 - Knock Sensor 1
6 - Engine Coolant Temperature (ECT) Sensor

Lower Left Side of Engine




1 - Engine Oil Level/Temperature Sensor

Right Side of Engine (LS7)




1 - Crankshaft Position (CKP) Sensor
2 - Knock Sensor 2
3 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
4 - Starter Motor
5 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2