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faulty control valve on heater or air in the lines

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15y ago

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Related Questions

What is wrong if car is overheating and heater blowing cold air?

most likely thermostat stuck less than $ 15 part


My car is blowing out cold air not hot when the heater is on.?

You need to change your thermostat in the car.


Why is your car heater blowing out cold air when it is on?

Low coolant and a clogged heater core are possibilities.


The heathing in your car is blowing cold all the time?

it is your heater core most likey


Why is my car's heater on but blowing cold air?

Your car's heater may be blowing cold air because there could be issues with the thermostat, low coolant levels, a malfunctioning heater core, or a problem with the blend door. It is recommended to have a professional mechanic inspect and diagnose the issue to determine the exact cause and necessary repairs.


Why is cold air blowing when heater is on in car?

Low on coolant. Bad thermostat. plugged heater core. Temp blend door malfunction.


Why is your car overheated but radiator full of water heater blowing cold air and knocking sound?

Have you checked your thermostat?


Why would a car heater be blowing cold air?

AnswerBad thermostat, clogged heater core, or a defective heater control switch. If an engine has not been running long it will not have warmed up, the warmth from a car heater usually comes from the engine.


Why is your heater only blowing cold air in your car?

Low on coolant. Stuck open thermostat. Plugged heater core. Temp blend door inop.


Why is my car's heater blowing cold air instead of heat?

Your car's heater may be blowing cold air instead of heat due to issues such as low coolant levels, a malfunctioning thermostat, a clogged heater core, or a faulty blend door. It is recommended to have a professional mechanic inspect and diagnose the problem to determine the exact cause and necessary repairs.


1998 Lincoln town car blowing cold air instead of blowing heat?

needs heater core replaced wost likely be hind the glove box


Why is my car's heater blowing out cold air instead of heat?

There are several possible reasons why your car's heater may be blowing out cold air instead of heat. Some common causes include low coolant levels, a malfunctioning thermostat, a faulty heater core, or a problem with the blend door. It is recommended to have a professional mechanic diagnose and repair the issue to ensure proper functioning of your car's heating system.