I've just bought a landrover freelander 2003 td4 which is great but Its started holding back when I touch the throttle nd hold it at a steady level when Its warm and it seems sluggish till the turbo cuts in.
Any thoughts would be great.

Welcome to the forum.
Freelander section is over ere:

https://www.landyzone.co.uk/forum/land-rover-freelander.9/