Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

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Oxygen Sensor: Locations



Engine Controls Component Views

Rear of the Engine (L37/LD8)




1 - Throttle Body Assembly
2 - Manifold Absolute Pressure (MAP) Sensor
3 - Valve Cover
4 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
5 - Engine Coolant Temperature (ECT) Sensor
6 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2

Front of the Engine (L37/LD8)




1 - Valve Cover
2 - Ignition Coil/Module 2
3 - Ignition Coil/Module 4
4 - Ignition Coil/Module 6
5 - Ignition Coil/Module 8
6 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
7 - Engine Oil Pressure (EOP) Switch

HO2S Bank 1 Sensor 2 (Post HO2)




1 - HO2S Bank 1 Sensor 2 (Post HO2)