This can be a cause of being bit low on freon. As the engine rev's up the suction press drops below the normal press turning off the compressor to save it from damage. Watch this YouTube clip to see what happens when the system is low. Notice the gage goes down and the system shuts off, then the gage comes back up and the system restarts. Next, watch this video to see how to put a can of freon in your car to fill it up. Go to this site [ Idqusa ]
to see where the suction port is located on your car. Start with a 1 can of freon. Hope this helps FixYa up.
SOURCE: AC STOPPED BLOWING COLD; ONLY BLOWS ON MAX MANUAL SETTING
Your AC is low on refrigerant; The AC compressor needs a minimum amount of regrigerant to run. If and when it does run (while low on refrigerant) the air coming out of the vents will not be cold. The refrigerant you require is R-134A and is available over the counter but if you are the least bit unsure as to how to add refrigerant, taking it to a garage that does AC recharging would be your best play. If you want to try to add refrigerant on your own you will need the following, 1LB can of R-134A, an AC hose adapter to deliver the refrigerant, and preferably an AC pressure guage to ensure you are not overfilling the AC line which will damage the system.
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