heater will not blow hot air
Do you have enough coolant in your car?
It may be possible that the heater controls are stuck or broken. You can easily fix this on your own or ask a friend. The valve is located by the firewall. Once you have located the valve, you can remove the cable and move the valve manually. If this is still working, then check the heater hoses for heat. If one is not warm, you may need to replace the heater core; you may want to ask for help to fix this.
Another possibility is replacing the thermostat if it is stuck open it will not get hot enough to heat
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