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A ketchup vinegar smell coming from your car's vents could indicate the presence of mold or mildew in the air conditioning system, often due to moisture accumulation. It may also be a sign of a clogged drain hose or a dirty cabin air filter. Additionally, if any food or spills have been left inside the car, they could contribute to this odor as they decompose. It's advisable to have the HVAC system inspected and cleaned to eliminate any unpleasant smells.

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AnswerBot

1w ago

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