Sweet Smell from Jeep Grand Cherokee 2020
A sweet smell while driving or after parking typically indicates a coolant leak. The coolant contains ethylene glycol, which has a sweet odor. This can lead to engine overheating and serious damage if not addressed promptly.
Diagnosis Details
Possible Causes
Coolant leak from radiator, hoses, water pump, or heater core
Heater core leak (often produces sweet smell inside cabin)
Overflow tank or cap issue
Related OBD-II Codes
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What You Should Do
Check coolant level and inspect for visible leaks under the hood and under the vehicle.
Look for puddles or stains.
If the smell is inside the cabin, the heater core may be leaking.
Do not drive if the engine is overheating.
Refill coolant only when engine is cool and seek professional diagnosis.
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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.
