Right, bit of progress. I bought the silicon piping, but was too scared to change it (fear if not being able to get the new pipes on..and needing car for a holiday)... The problem got seriously worse after a drive to Skegness and back.
Basically, the car had dangerously low 'oomph' below the turbo, to the point i couldn't get out of junctions quick enough...so i disconnected the maf and its like a different car. So...thats on order. However, even now it still feels a lot slower than my missus 147 :/ is it in a kind of limp mode? Does the egr valve still play any part in driving when blanked off? My egr has never been replaced, has clogged up a few times causing rubbish acceleration...
04 156 1.9 JTD 16v 140 Dark blue Veloce 110k
54 147 1.9 JTD 16v 140 Silver Lusso 115k - WRITTEN OFF
Some swear by their Alfa, I swear at mine!