Have Toyota Questions? Ask a Mechanic for Answers ASAP
Hello, my name is ***** ***** I am a professional here at Just Answer. I have noticed that your question was not getting a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.I would start with having your mechanic recheck the systems pressure to be sure its correct, normal pressure at idle with the AC running needs to be 35 to 40 PSI on the low side and 200 to 225 PSI on the high side. If the pressure checks okay then have him check to see if the compressor is cycling off once the evaporator gets cold . If it dose not cycle it can cause the system to freeze up and you will loose cooling. Post back with the results and we can work from there.
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If there loosing power to the compressor then its is a possibility. I would have them check to see if in fact they are loosing power to the compressor from the switch.