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Why is your 2000 vw gti air conditioning works then compressor cycles on and off continuosly after engine warms up?

There are a few possible reasons why your 2000 VW GTI air conditioning is cycling on and off after the engine warms up:

* Low refrigerant level: If the refrigerant level is too low, the air conditioning system will not be able to cool the air properly. This can cause the compressor to cycle on and off frequently as it tries to keep up with the demand.

* Faulty compressor: A faulty compressor can also cause the air conditioning system to cycle on and off. This can be due to a number of issues, such as a worn-out clutch, a bad bearing, or a refrigerant leak.

* Faulty expansion valve: The expansion valve controls the flow of refrigerant into the evaporator. If the expansion valve is faulty, it can cause the air conditioning system to cycle on and off.

* Faulty temperature sensor: The temperature sensor monitors the temperature of the air inside the car. If the temperature sensor is faulty, it can cause the air conditioning system to cycle on and off incorrectly.

If you are experiencing this issue, it is best to have your car inspected by a qualified mechanic to determine the cause of the problem.