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What if my heater in my 2003 ford explorer only blows out cold air?
Wiki User
∙ 15y ago
it could be 2 thing, you thermostat or your heather core is fry, check the 2 hose underthe hood the around 1 inch diameter and the are close to the firewall, if both are hot you good if one is cold it is your heather core
Wiki User
∙ 15y ago
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