with a house in the pipe line the scoob was going to get advertised for sale this weekend and i think its got wind of this and decided it doesnt want to leave...

when driving home from work yesterday its started to hesitate coming on boost and at idle is fluctuating between 900 and 600rpm..
only the other week i changed the maf, lambda sensor and put a baileys dumpvalve on.

any one have any ideas what the problem could be??
going to put the recirc valve back on lunch time see if this makes any diffrence.
ps car is a uk 2000 turbo.