Car Computers and Sensors
Buick Regal

Where is the coolant temperature sensor located on a 2000 Buick Regal 3.8L engine?

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2006-11-20 22:05:45

The Coolant Temp Sensor is located on the intake above # 5 spark

plug. #1, #3 & #5 spark plugs are toward the front of the car.

The exhaust pipe semi hides the CTS, but you can remove it with a

deep-well socket and 3/8" drive ratchet. Good Luck!


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