Class 42 no. 832 'ONSLAUGHT'
The South end turbocharger was removed at the end of January 2006, to allow access to engine to replace the fuel injectors, which are causing the engines to smoke heavily. One engine pre-heater has also been removed for overhaul.
taken from
http://www.burydiesel.freeserve.co.uk/news.htm
thats the latest i`ve found - interesting site for you to book mark