Oxygen Sensor: Locations

Powertrain Component Views

Lower Front and Rear of the Engine Components (LAT or LE5 or LE9)




1 - Knock Sensor (KS)
2 - Heated Oxygen Sensor (HO2S) 1
3 - Heated Oxygen Sensor (HO2S) 2
4 - Engine Coolant Temperature (ECT) Sensor

Lower Front and Rear of the Engine Components (LY7)




1 - Ignition Coil 1
2 - Ignition Coil 3
3 - Ignition Coil 5
4 - Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 1
5 - Knock Sensor (KS) 1
6 - Starter Solenoid (part of Starter Motor)
7 - Starter Motor
8 - Knock Sensor (KS) 2
9 - Engine Oil Pressure (EOP) Switch
10 - Crankshaft Position (CKP) Sensor

Lower Front and Rear of the Engine Components - Oxygen Sensors (LY7)




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

Front and Right Side of the Engine Components (LY7)




1 - Camshaft Position (CMP) Actuator Solenoid Valve - Bank 1 Intake
2 - Camshaft Position (CMP) Sensor - Bank 1 Intake
3 - Evaporative Emission (EVAP) Canister Purge Solenoid Valve
4 - Intake Manifold Tuning (IMT) Solenoid Valve
5 - Camshaft Position (CMP) Sensor - Bank 2 Intake
6 - Manifold Absolute Pressure (MAP) Sensor
7 - Throttle Body
8 - Ignition Coil 6
9 - Ignition Coil 4
10 - Ignition Coil 2
11 - Heated Oxygen Sensor (HO2S) - Bank 2 Sensor 1
12 - Engine Coolant Temperature (ECT) Sensor
13 - Generator
14 - A/C Compressor Clutch
15 - Camshaft Position (CMP) Sensor - Bank 2 Exhaust
16 - Camshaft Position (CMP) Actuator Solenoid Valve - Bank 2 Exhaust
17 - Camshaft Position (CMP) Actuator Solenoid Valve - Bank 2 Intake
18 - Camshaft Position (CMP) Actuator Solenoid Valve - Bank 1 Exhaust
19 - Camshaft Position (CMP) Sensor - Bank 1 Exhaust