Mazda CX-5 Coolant Temperature Switch (Sensor) Replacement at your home or office.

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Coolant Temperature Switch (Sensor) Replacement Service

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

On average, the cost for a Mazda CX-5 Coolant Temperature Switch (Sensor) Replacement is $115 with $20 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2016 Mazda CX-5L4-2.0LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$155.31Shop/Dealer Price$175.39 - $213.13
2014 Mazda CX-5L4-2.0LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$197.25Shop/Dealer Price$232.83 - $317.04
2016 Mazda CX-5L4-2.5LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$135.31Shop/Dealer Price$155.41 - $193.16
2015 Mazda CX-5L4-2.5LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$197.25Shop/Dealer Price$232.81 - $317.00
2017 Mazda CX-5L4-2.5LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$222.69Shop/Dealer Price$264.65 - $367.95
2015 Mazda CX-5L4-2.0LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$197.25Shop/Dealer Price$232.83 - $317.04
2018 Mazda CX-5L4-2.5LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$227.69Shop/Dealer Price$269.50 - $372.68
2013 Mazda CX-5L4-2.0LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$202.25Shop/Dealer Price$238.07 - $322.46
Show example Mazda CX-5 Coolant Temperature Switch (Sensor) Replacement prices

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

The coolant temperature switch, also called the coolant temperature sensor, is a switch that reads the engine coolant temperature and sends a signal to the engine control module, or ECM, to control other functions of engine operation such as the air-fuel ratio.

It is also called a switch because on some cars, it is used to turn on the engine cooling fan at a specific temperature. This aids in the engine warm-up process as well as keeping the engine at a safe operating temperature.

Keep in mind:

  • The coolant temperature switch is a crucial part of the cooling system. If faulty, it can cause severe internal engine damage due to overheating, incorrect air-fuel ratio, or incorrect ignition timing. It can also cause shorter life to the cooling fan motor or other electrical components of the cooling system.
  • Some vehicles are equipped with a separate sensor to display the engine temperature to the driver via the temperature gauge.

How it's done:

  • The Coolant Temperature Switch is verified that it needs to be replaced. The coolant is drained until the switch is exposed.

  • The defective Coolant Temperature Switch is removed by disconnecting the connector and removing it from the manifold.

  • The new Coolant Temperature Switch is installed into the mounting hole in the manifold and the electrical connector is reconnected. The coolant is then refilled.

  • The Coolant Temperature Switch is tested for operation, codes cleared, and retested to ensure all codes have been resolved.

  • The vehicle is road tested to ensure proper operation of the Cooling System.

Our recommendation:

If you suspect that your coolant temperature switch has failed, have one of our licensed mechanics come out immediately to diagnose the problem.

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

  • Check Engine light on
  • Engine overheating
  • Cooling fan runs intermittently
  • Engine misfires, stalls, or idles roughly
  • Erratic coolant temperature

How important is this service?

This part, when faulty, could cause the fan to run intermittently or not at all, which in turns causes overheating or overuse of the cooling fan motor. Whenever overheating occurs, severe engine damage is a possibility.

The engine air-fuel ratio is what keeps it running smoothly. If the ratio gets skewed, the engine will have poor fuel economy and run poorly or not at all. The coolant temperature switch is important because it gives the ECM the information it needs to make this calculation and run the engine optimally. YourMechanic will be able to tell you if this part is performing correctly.

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247
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Robert

22 years of experience
291 reviews
Robert
22 years of experience
Mazda CX-5 L4-2.0L - Serpentine/Drive Belt Replacement - Grapevine, Texas
Robert was able to service my vehicle earlier than expected. He was very professional and thorough in doing the job. Should I find myself in need of additional repairs, I would be sure to ask if Robert is available for the repair job.

Peter

13 years of experience
3 reviews
Peter
13 years of experience
Mazda CX-5 L4-2.5L - Pre-purchase Car Inspection - Richmond, Virginia
Apt on time

James

27 years of experience
25 reviews
James
27 years of experience
Mazda CX-5 L4-2.0L - Car starts and then dies - Pflugerville, Texas
Professional and knowledgeable.

Richard

1 years of experience
29 reviews
Richard
1 years of experience
Mazda CX-5 L4-2.0L - Battery - Chicago, Illinois
Arrived early, friendly and very helpful! Walked us through everything and took his time inspecting the car and giving us some advice. Really appreciate it, thanks so much Richard!

Excellent Rating

(256)

Rating Summary
247
5
2
0
2
247
5
2
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2
Number of Mazda CX-5 services completed
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