Don’t refill it yourself. I did and all it puts into your system is gas. But if there’s no or low oil you’re making matters worse. I lost a compressor doing that. Leave that job to those with the right tools.
If after cleaning and defluffing the cabin sensor you still have issues you could try a VIDA calibration routine which opens and shuts flaps and does improve things.
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"The more people I meet the more I like my God."
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