Sharp Chemical Smell in Honda CR-V 2020
A persistent sharp chemical odor in the cabin could indicate a coolant leak, refrigerant leak, or electrical issue. The smell is present all the time, suggesting a continuous source rather than an intermittent one.
Diagnosis Details
Possible Causes
Coolant leak from heater core or hoses – sweet, sharp smell often mistaken for chemical odor.
Refrigerant leak from A/C system – sharp chemical smell, but typically only when A/C is on.
Electrical component overheating or burning insulation – acrid chemical smell, may be accompanied by smoke.
Related OBD-II Codes
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What You Should Do
Check coolant level and look for leaks under dashboard or near heater core.
Inspect under hood for signs of coolant or refrigerant leaks.
If no coolant issue, have a technician test the A/C system for refrigerant leaks.
Also inspect wiring and fuses for melting or burning.
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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.
