Musty Smell After Rain in 2019 Hyundai Elantra
A musty odor after rain typically indicates moisture accumulation in the cabin, often due to clogged AC drain, wet cabin air filter, or water intrusion from door/window seals.
Diagnosis Details
Possible Causes
Clogged AC evaporator drain tube causing water to pool and grow mold/mildew
Wet cabin air filter from rain ingress or high humidity
Leaking door or window seals allowing water into carpet/insulation
Related OBD-II Codes
Not satisfied with this diagnosis?
Try Another DiagnosisWhat To Do Next
What You Should Do
Check and clear the AC drain tube under the vehicle.
Inspect and replace cabin air filter if damp or dirty.
Dry out carpets and check for water leaks around doors and windows.
Use a dehumidifier or let car air out with windows down.
Related Repairs
Share this diagnosis
Help others with similar symptoms
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.