Q: My ford focus overheats when its very hot out, 95' deg plus, and even more whe idleing with the a/c on..

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Car overheats when idleing in traffic and when the a/c is on, cant drive comfortably without it in this heat, help!!!

My car has 184000 miles.
My car has an automatic transmission.

Overheating with the AC on is generally caused by a couple of possibilities. When the AC compressor is beginning to fail, this may incur an increased load on the motor as it works harder than usual to turn a bad compressor. This increased load causes the motor to work harder than it otherwise normally would, resulting in the motor overheating. The other possibility may be a cooling system that is not working efficiently. This may be caused by a clogged radiator, blocked or clogged radiator condenser fins, a water pump that is not pumping correctly or potentially cooling fans that are not working properly.

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