AC Not Cold with Musty Smell
The musty smell and lack of cold air indicate a likely issue with the cabin air filter and/or the AC evaporator. A clogged or dirty cabin air filter can restrict airflow and cause odors, while a dirty evaporator coil can produce a musty smell and reduce cooling efficiency.
Diagnosis Details
Possible Causes
Clogged or dirty cabin air filter
Mold or mildew buildup on the evaporator coil
Low refrigerant level due to a leak
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What You Should Do
Replace the cabin air filter first.
If the smell persists, have the evaporator coil cleaned and the AC system inspected for refrigerant leaks.
A professional AC service may be needed.
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Disclaimer: This AI-generated diagnosis is for informational reference only. Always consult a qualified mechanic for an in-person inspection. AutOwner is not responsible for decisions made based on this information.
