Removal Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Monte Carlo and 2004 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.

Partially drain the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.
Disconnect the engine coolant temperature (ECT) sensor electrical connector.
Remove the ECT sensor.

Fig 1: View Of ECT Sensor, Connector And Wiring Harness At Fuel Rail

Courtesy of GENERAL MOTORS CORP.