Thanks for the reply. I'll follow your advice and get it diagnosed. Can you tell me if I'm going to damage it if I drive it to the garage.

Hi all, I`ve got a Defender TD5 2002, 160,000 mls. On start up there`s a cloud of greyish-whitish smoke that's just started. There's loss of power and it seems to be taking more diesel. Could anyone confirm it's the turbo that's ready for replacement or I've been told it could be the fuelling or...