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17/05/2025 12:53 pm
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- Hi friend My name is Danny I have a Chevrolet Blazer 2021 3.6 gm engine It showed 40°- on my dashboard AC not working At the garage's instruction I replaced the battery! The thermostat and engine temperature sensor are close to the thermostat! And also a temperature sensor outside. Currently the problem is the same now. What do you think the problem is? Please.
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17/05/2025 1:26 pm
There are a huge number of things that can cause AC to fail and there is not much in the way of detail provided. Since that system is computer controlled there are only a few basics that can be checked without a professional-grade bidirectional scan tool. (Such as, are fuses and relays OK? Is there sufficient refrigerant pressure in the system?)
If the dashboard is displaying incorrect outside temperature the sensor is probably bad.
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