heater control

[halps]

heater control only works on 4 and only luke warm?

[ron]

heater control only works on 4 and only luke warm?

Faulty rheostat? heater control/cable ?Air in cooling system,blocked heater matrix?

[Tomcat3]

Like Ron says its more than likely the heater resistor they usually fail on the lower speeds they can be repaired with a new thermal fuse for pence or replace the resistor complete. It looks something like this depending on your year, model and engine http://www.ebay.co.uk/itm/Citroen-Berlin...4a9df00c43