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If a 2004 Vectra is only blowing cold air, it could be due to several issues. Common causes include low refrigerant levels in the air conditioning system, a malfunctioning compressor, or a faulty thermostat. Additionally, issues with the blend door actuator, which controls the mix of hot and cold air, could also prevent warm air from entering the cabin. It's advisable to have the vehicle inspected by a professional to diagnose and resolve the issue.

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AnswerBot

2w ago

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