Right update on this and local garage replaced the boost control solenoid( At rear of the engine near starter motor) as they said that they checked the turbo etc and all looked good.
Car now pulls a lot better and touch wood light has not come on.
If the problem comes back then will update the post.
Good, sounds like you've cracked it.
Well hopefully hometune, thanks for your advice & help and lets keep my fingers crossed with this fix?
Like said before its a pity that a lot of posts on here and else where do not come back with fixes and resolutions.....