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Eric, Automotive Repair Shop Manager
Category: Volvo
Satisfied Customers: 32082
Experience:  20+ yrs. experience as repair shop manager and technician.
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Wayne! I run a general repair shop, and we installed a new

Customer Question

Hi, Wayne! I run a general repair shop, and we installed a new A/C compressor on a 2004 XC90 and the A/C comes and goes. Mostly it blows around 50-55 F. The outside thermometer is usually off by 10 to 25 degrees. Will this reading affect A/C operation? We did send the car to a Swedish shop and they re-flashed the A/C system.
Submitted: 2 years ago.
Category: Volvo
Expert:  Eric replied 2 years ago.
I am sorry that you havent been helped yet. I just came online and saw your question.
The ambient temperature sensor signal is used to cut off the compressor if temperature outside drops a certain amount. So if it is reading incorrectly, it will cut off the compressor. You need to replace the ambient temperature sensor.
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