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Home >> Buick >> 2008 >> Lucerne V8-4.6L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Oxygen Sensor >> Locations
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Oxygen Sensor: Locations



Powertrain Component Views

HO2S Sensor 2 (Post HO2)




1 - Heated Oxygen Sensor (HO2S) 2

Front of the Engine (LD8/L37/4.6L)




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

Rear of the Engine (LD8/L37/4.6L)




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