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What can cause a sweet odor in car when motor is running?

Updated: 8/20/2019
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12y ago

Best Answer

Its probably the antifreeze in your cooling system. There is a good chance the heater core is leaking. Check the front passenger side floor to see if it is wet.

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Wiki User

12y ago
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Q: What can cause a sweet odor in car when motor is running?
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