AC Not Cold, Bad Smell, and Won't Turn On
The AC system is not cooling, emits a bad smell, and the blower or compressor fails to activate. This suggests an electrical fault, refrigerant leak, or a failing component like the compressor or blower motor.
Diagnosis Details
Possible Causes
Blown AC fuse or relay
Faulty AC compressor or clutch
Refrigerant leak causing low pressure and system lockout
Mold or bacterial growth in evaporator causing bad smell
Related OBD-II Codes
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What You Should Do
Check the AC fuse and relay in the fuse box.
If okay, inspect the compressor clutch for engagement.
Have a technician test refrigerant pressure and scan for trouble codes.
For the smell, use an AC evaporator cleaner or replace cabin air filter.
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.
