Cobalt L4-2.2L (2008)
Backup Lamp Switch: Locations
Powertrain Component Views
Rear Side of the Engine
1 - Backup Lamp Switch (M86)
2 - Engine Coolant Temperature Sensor (ECT)
3 - Heated Oxygen Sensor (HO2S) 1
4 - Heated Oxygen Sensor (HO2S) 2 Connector
Transmission Components