Chevrolet S10 Blazer Ambient Temperature Sensor (Switch) Replacement Costs

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Ambient Temperature Sensor (Switch) Replacement Service

How much does a Ambient Temperature Sensor (Switch) Replacement cost?

On average, the cost for a Chevrolet S10 Blazer Ambient Temperature Sensor (Switch) Replacement is $121 with $26 for parts and $95 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
1988 Chevrolet S10 BlazerL4-2.5L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$224.81	Shop/Dealer Price$262.27 - $352.13
1989 Chevrolet S10 BlazerV6-2.8L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$335.91	Shop/Dealer Price$406.16 - $594.36
1987 Chevrolet S10 BlazerV6-2.8L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$335.91	Shop/Dealer Price$406.16 - $594.36
1985 Chevrolet S10 BlazerV6-2.8L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$335.91	Shop/Dealer Price$406.14 - $594.32
1987 Chevrolet S10 BlazerL4-2.5L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$204.81	Shop/Dealer Price$242.30 - $332.19
1983 Chevrolet S10 BlazerV6-2.8L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$335.91	Shop/Dealer Price$406.16 - $594.36
1991 Chevrolet S10 BlazerV6-4.3L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$151.95	Shop/Dealer Price$174.82 - $221.20
1989 Chevrolet S10 BlazerV6-4.3L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$151.95	Shop/Dealer Price$175.19 - $221.86

Show example Chevrolet S10 Blazer Ambient Temperature Sensor (Switch) Replacement prices

What is the Ambient Temperature Sensor (Switch) all about?

Modern automotive HVAC systems have advanced by leaps and bounds over those used just a few years ago. Today, many high and even mid-range cars offer automatic climate control. This function basically allows you to “set it and forget it,” allowing the car’s computer to control the heating and cooling based on your preferred interior temperature. In order to do this, the computer needs information about not only the temperature inside the car, but also the ambient temperature outside the car.

The ambient temperature sensor (switch) is located either behind the front grille or in the front bumper. Its only job is to monitor air temperature (which it does through increasing/decreasing resistance in response to temperature fluctuations). This information is transmitted to the car’s computer, which then adjusts the climate control to meet your specifications.

If the ambient temperature sensor is damaged or fails, the car’s computer will not be able to automatically control the HVAC system, and the heater and air conditioner will only work in manual mode.

Keep in mind:

Because of its location, the ambient temperature sensor can be easily damaged in even minor front-end collisions.
Sensor failure is common even without an accident.

How it's done:

The ambient temperature sensor switch is verified to see if it needs to be replaced
The defective ambient temperature sensor switch is removed
The new ambient temperature sensor switch is installed
The ambient temperature sensor switch is tested for operation
The vehicle is tested to ensure proper operation of the ambient temperature sensor switch

Our recommendation:

Without the information provided by the ambient temperature sensor, your car’s computer does not have sufficient data to control the interior temperature, and will revert to manual HVAC control. You’ll still be able to use your air conditioner and heater, but only in manual mode, not in auto. If you suspect a problem with the ambient temperature sensor, have it diagnosed by one of our expert mechanics and replaced if necessary.

What common symptoms indicate you may need to replace the Ambient Temperature Sensor (Switch)?

HVAC auto mode will not work
HVAC auto mode produces delivers inconsistent/incorrect operation
HVAC will only work in manual mode
Outside temperatures may display incorrectly

How important is this service?

Having automatic climate control is definitely a convenience, but not critical to the operation of your vehicle. The heater will still operate to clear the windows and provide heating and cooling on manual mode. If the ambient temperature sensor is faulty, have it replaced.

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Kevin

33 years of experience

234 reviews

Kevin

33 years of experience

by Ron

Chevrolet S10 Blazer V6-4.3L - Oil Change - Torrance, California

Wesley

13 years of experience

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Wesley

13 years of experience

by Jeremy

Chevrolet S10 Blazer V6-2.8L - Car is not starting - San Antonio, Texas

Bought my vehicle a month ago with a few problems, it is a little older so I expected it. Spent a month and about 150 dollars do small things trying to figure out the problems, after my own research I was about to spend close to 600 dollars on a myriad of parts to replace the would fix almost any issue. Wesley comes out takes 15 minutes and notices a loose wire on my starter that was causing all my problems. Needless to say I felt ridiculous, but I am glad I didn't spend that much money on parts that would have not fixed the problem. He also recommended a couple of tune up measures I could take to make the engine purr. He was a pleasure to talk to and have working on my vehicle.

Steven

16 years of experience

97 reviews

Steven

16 years of experience

by Robert

Chevrolet S10 Blazer V6-4.3L - Car AC Repair - Rocklin, California

Terry

26 years of experience

326 reviews

Terry

26 years of experience

by Fernando

Chevrolet S10 Blazer V6-4.3L - Car is not starting - Glendale, Arizona

Analyzed starting problem quickly.

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