Weak Airflow and Bad Smell from AC
The AC system has weak airflow and emits a bad smell, likely due to a clogged cabin air filter or debris in the evaporator case. This can also indicate mold or bacterial growth in the evaporator.
Diagnosis Details
Possible Causes
Clogged cabin air filter restricting airflow and trapping moisture/debris causing odor
Mold or mildew buildup on the evaporator core due to moisture accumulation
Debris (leaves, dirt) blocking the blower motor or evaporator intake
Related OBD-II Codes
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What You Should Do
Replace the cabin air filter.
If odor persists, use an AC evaporator cleaner foam and check for debris in the blower motor area.
If airflow remains weak, inspect the blower motor resistor and blower motor.
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.
