• I had the same problem in my taurus and my water pump was bad and my coolant system needed flushed because some guy put stop leak in it and clogged it up. After changing the water pump and flushing all that gunk out i have very warm cozy heat!!
  • Dun dun dahhhh...your water valve is messed up...have to pull the dash and heater box to change it.
  • Make sure the thermostat is working correctly if it is, are the heater hoses hot, if they are it could be a control valve on the heater box somewhere or a plugged heater core.

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