well I tried a forced regen, didnt work, so paid £500 for removal of internals and emulator, WOW what a difference, better acceleration, pulls better and an increase of 8mpg round town ... over 10mpg on duel carriage way....got a year for mot so will see how it goes, the guy assures me it will pass mot .... any problems contact him .... was a friend of friends so I actually trust him lol not easy for me to trust anyone tbh lol