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yaris ac is working only sometimes the problem started before 2 months , and changed control valve of ac compressor , but still problem is same when ac button on , ac fan roatates and compressor works , but no cool sometimes when ac switch on , cool also
It sounds like you have low refrigerant levels. At lot of times low refrigerant manifests as intermittent cooling. Here are general instructions for recharging an AC: https://www.walmart.com/ideas/auto-maint….