172 heater prob

[Rob 1.8 16v]

hi i have a 02 plate 172 some times my heaters work but most of he time they dont any ideas thanx rob

 

[Rob 1.8 16v]

all so imobliser it temprementel ????

 

[Stava]

does the fan work, or is it the heater element, ie fan working but only cold air coming out?

 

[Rob 1.8 16v]

nuffin happens but then wen it dose works it all works fine hot, cold

 

[dan172mak]

resistors :rasp: and u know thisssss