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Daryl, Shop Owner, Certified Mechanic
Category: Car
Satisfied Customers: 12547
Experience:  28 years experience, Master Mechanic
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2002 Oldsmobile Alero: 3.4L..the sensor that turns on the cooling fan

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I have a 2002 Oldsmobile Alero with 3.4L engine. Where is the sensor that turns on the cooling fan?

The engine coolant temp sensor is on the rear of the engine pic below,



Customer: replied 6 years ago.
Does this sensor control when the fans come on?
This sensor tells the computer what the temp is and the computer controls the fans.
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