Coolant Temperature Sensor/Switch (For Computer): Locations

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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

Rear of the Engine Block (L61)

1 - Engine Coolant Temperature (ECT) Sensor
2 - Engine Block