as good as I could! I removed all the pipes and intercooler and washed them out.
Think I have found the issue while the engine was running I removed the wires to each injector in turn, when I removed each one the engine noise changed as each cylinder stopped injecting, until I removed the last when it made no difference! So I assumed that injector was the problem, I left the engine running to make sure everything was hot so that the injector would come out easier,and as I was running it started to run smoother not perfect but a lot better. Took it for a spin it's not quite right but a massive improvement! So I hope that in time it will get back to how it should be! Could this be some sort of damage to the injector following the engine being hydraulic locked after the turbo blew?