M mlinville New member Apr 3, 2014 #1 Can anyone suggest or have an algorithm for checking the heating system in a 1999 4runner? My heater this past winter would only get moderately warm. Everything seems to work fine, but the temp. isnt getting as hot as it used to.
Can anyone suggest or have an algorithm for checking the heating system in a 1999 4runner? My heater this past winter would only get moderately warm. Everything seems to work fine, but the temp. isnt getting as hot as it used to.