HI I HAVE GOT A FORD KA S REG AND THE INTERNAL HEATER IS NOT WORKING (HOT AND COLD VARIABLE SWITCH) ISNT BLOWING WARM,PS HEATER MOTOR IS BLOWING COLD AIR ALL THE TIME.THE HEATER MATRIX PIPES ARE HOT,DOES ANYONE HAVE ANY IDEAS.WE HAVE TRIED THE CONTROL PANNEL FUSES AND TESTED HEATER MATRIX.ANY IDEAS.

 

i dont know much but....

i had a car that did that once and all i had to do was put more coolant (of the engine variety that is) and walll ahhhhh i had hot air. check thermostat and what not.