If you want an EDC fault answer I can recommend calling Fred from (the ultimate modern lorry brain and all round decent chap 07870 362825) He sorted ours and saved us a fortune.
Kate
October 2014
electromic deisel control
you have a fault with the electronic/electrical system that controls the engine
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix lorries/trucks.