MY HEATER WILL NOT GET WARM WHILE IM DRIVING ON ...
1997 Honda Del Sol
December, 16, 2012 AT 6:33 AM
My heater will not get warm while I'm driving on the interstate. The temp guage does not move off of Cold unless I'm driving in the city. The heater works fine when I'm not driving at highway speeds. I replaced the thermostat thinking that it was stuck open. What else should I look at?