Intermittent Weak A/C Airflow with Bad Odor
The A/C system in your 2019 Honda Accord has intermittent weak airflow and a bad smell, likely due to a clogged or dirty cabin air filter, evaporator core issues, or a failing blower motor resistor.
Diagnosis Details
Possible Causes
Clogged or dirty cabin air filter restricting airflow and causing musty odors
Mold or debris buildup on the evaporator core causing bad smell and reduced airflow
Failing blower motor resistor causing intermittent fan speed issues
Blower motor failure or electrical connection problem
Related OBD-II Codes
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What You Should Do
First, replace the cabin air filter.
If the odor persists, have the evaporator coil cleaned and the A/C system inspected for mold.
If airflow remains weak, check the blower motor resistor and blower motor operation.
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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.
