Vehicle Questions and Answers
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The coolant temperature sensor can be found on the back, middle, left side of the engine. If you're wondering about its purpose, it is used to measure the temperature of the coolant in the cooling system, providing information on the engine's heat output. If you ever need to replace the temperature sensor, the average cost is around $120 to $160, with labor estimated at $80 to $100 and parts priced at $40 to $50.
The coolant temperature sensor on the 2005 Chevy Malibu v6 can be found at the back of the engine close to the thermostat housing.