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What Causes a Car Compressor to Not Shut Off?

1 Answers
HannahLynn
07/29/25 11:43am

There are multiple factors that can cause a car air conditioner compressor to not shut off: 1. The temperature setting is too low, preventing the compressor from shutting off. 2. A faulty temperature sensor can cause the compressor to not shut off. 3. Damage to the thermostat on the air conditioner's internal computer board can prevent the compressor from shutting off. 4. A refrigerant leak in the air conditioning system can cause the compressor to not shut off. Notes: If the refrigeration system works normally after turning on the air conditioner, the fault is likely due to thermostat failure, and the thermostat system should be checked. First, check if the temperature sensing tube connected to the thermostat has come loose; if so, it should be reattached to its original position.

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