Thanks daveji .... I'll give that a try and I'll reply to say if it worked or not.

Hi First of all please excuse any mistakes as this is the first time I have used any such forum. Can anyone help me with a problem on my 1998 xj8 3-2. It starts and runs perfectly from cold and if I do about 5 miles and turn it off it will re-start again without a problem, however if I do adout 10 m...