I have a f150 92'', I don't have any heat. I have plenty anti-freeze. what's the problem?

 

It could be the heater core. The tell tale sign of a blown heater core is a white fog that pours out of the vents when you turn the heat on, and sometimes a small collant leak under the passanger side dash. A heater core is an easy fix though, and should only cost around $30.

 

Thanks for the help, I'll check those areas, but I can't recall ever seeing white fog coming out from the vents, but I'm not sure about the other item.