AC Not Cold, Bad Smell, Weak Airflow
The AC system is not producing cold air, emits a foul odor, and has weak airflow. This combination suggests a clogged or dirty cabin air filter, possibly with mold or debris, restricting airflow and causing odors. It could also indicate a failing blower motor or evaporator issues.
Diagnosis Details
Possible Causes
Clogged or dirty cabin air filter restricting airflow and causing musty smell
Blower motor resistor failure or blower motor malfunction reducing fan speed
Evaporator core clogged or mold growth causing odor and reduced cooling
Related OBD-II Codes
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What You Should Do
Replace the cabin air filter first.
If airflow improves but smell persists, clean the evaporator with a foam cleaner.
If airflow remains weak, test the blower motor and resistor.
For no cold air, check refrigerant level and compressor operation.
Related Repairs
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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.
