You probably need a new thermostat. The existing one is not opening to allow the coolant to flow through the engine to cool it. Most enthusiastic DIY lads can fit a new thermostat without too much hassle. Hope this helps.
Ken
July 2009
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix cars.