Thanks for your help Paul. I have made some further enquiries and smoke seems to be down to problem with injectors so will take them out and get them tested:confused:

Is it worth replacing the studs while i am about it? I need to have everything to hand before i start as I have no other transport

Thanks Paul. I will check manifolds next. Is it a pretty easy task?

Hi I have owned a few series Land Rovers over the past 20 years but have recently bought a 300tdi discovery. Whilst driving there is a very strong smell of fumes in the cab and the vehicle seems very underpowered. I have checked exhaust for obvious leaks and can find nothig. There does...