with the engine being starved there could be a build up or a stoppage some where and its freed its self up and cleared it so its running as it should just see if it goes back if you go over bumpy ground then its a wire loose. glad you have it sorted. enjoy.
I had exactly the same issue after Land Rover couldn't find what was causing the issue via their crappy computers until an old sweat mechnic looked at it, popped off the turbo pipe, found a split and replaced it. I had similar vibrations and then they went. I put it down to crap being blown out after the pipe issue, the car performed perfectly after that.
Hi Charles ,
Welcome to the mad house. I take it you live in Banbury , I am not far from you, just up the road in deddington. Enjoy your new toy and I may see you driving around the town.