on July 30, 2011, 11:25 am, in reply to "Re: Renault Scenic 1.9 DCi 2004 - Particulate filter code DF312 #"
Sorry for the delay in replying, the course has been re-worked since then. It now includes a section on Oxi cats, DPF and Piezo injectors.
If you PM me I may be able to help with some understanding.
Regards Mark
Modern cars, Its all wizardry and witchcraft