First of all have someone who knows what they’re doing put a set of gauges on your AC and find out if it’s actually working correctly. On a hot, humid Florida day the high side pressure could be 230 psig and that would put a strain on your engine. Remember your engine is not overheating at 220 degrees. Some of the new cars that I worked on had 205 degree thermostats. You may not like the temperature but that doesn’t mean it’s wrong.
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