AC Not Cold and Bad Smell
The AC system is not producing cold air and emits a foul odor, indicating a potential refrigerant leak, compressor failure, or mold growth in the evaporator.
Diagnosis Details
Possible Causes
Low refrigerant charge due to a leak in the system (e.g., at seals, hoses, or condenser).
Faulty AC compressor or clutch not engaging.
Mold or bacterial growth in the evaporator core causing bad smell and reduced cooling.
Clogged or restricted expansion valve or orifice tube.
Related OBD-II Codes
Not satisfied with this diagnosis?
Try Another DiagnosisWhat To Do Next
What You Should Do
Inspect refrigerant pressure with a manifold gauge set; check for visible leaks with UV dye; test compressor clutch operation; clean evaporator with a disinfectant foam if smell persists.
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.
