Oxygen Sensor: Locations

Powertrain Component Views

Rear of Engine Compartment Components (LZ9/LZ4)




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

Front of the Engine Components (LZ9)




1 - Intake Manifold Tuning (IMT) Valve Solenoid
2 - Evaporative Emission (EVAP) Canister Purge Solenoid Valve
3 - Throttle Body
4 - Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 1
5 - Knock Sensor (KS) 2
6 - Starter Solenoid
7 - Starter Motor
8 - Engine Oil Pressure (EOP) Sensor
9 - Camshaft Position (CMP) Actuator Solenoid Valve
10 - Camshaft Position (CMP) Sensor

Rear of the Engine Components (LZ9)




1 - Throttle Body
2 - Manifold Absolute Pressure (MAP) Sensor
3 - Ignition Control Module (ICM)
4 - Heated Oxygen Sensor (HO2S) - Bank 2 Sensor 1
5 - Knock Sensor (KS) 2
6 - Block Heater
7 - Crankshaft Position (CKP) Sensor
8 - Engine Oil Level Sensor
9 - Starter Motor
10 - Engine Coolant Temperature (ECT) Sensor

Top Rear of Engine Components (LZ9)




1 - Manifold Absolute Pressure (MAP) Sensor
2 - Generator
3 - Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 1
4 - Ignition Control Module (ICM)
5 - Exhaust Gas Recirculation (EGR) Valve
6 - Evaporative Emission (EVAP) Canister Purge Solenoid Valve
7 - Throttle Body