I have a 1998 Defender 90 CSW 300TDi, 84,000 miles.
It is quite sluggish, it never used to be like this. The engine sounds rough when starting, like a miss fire, but when warm, it sounds fine. Can hear the turbo spin up, and the vehicle does accelerate when the turbo spins. EGR valve has been removed, so it isn't a sticking EGR valve. No air in fuel line, have fitted new air filter, fuel filter, changed oil and oil filter.
Any ideas?