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I would start with checking the cabin air filter. IF it is very dirty the A/C could be tripping on high pressure. If it is not totally full, then at least you know if it needs replacing as it could be one part of your problem. Otherwise, you can wind up buying something you do not need (throwing parts at it). Since this might be a new purchase, if there is
NO cabin air filter, your going to have to get one in there and potentially have to clean the A/C evaporator coil of dirt/dust and anything else the filter is supposed to keep off that evap coil. Good luck!
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