help with engine fault code P1448

Could some one help with some more detail on engine fault code P1448 i think it is something to do with emissions but I could do with some more details. its on a 1998 discovery auto
 
Thanks in advance

1448, Evap System Purge Valve Flow 2 Fault
So, how mechanical are you??

Hi Mike
Mechanically not too bad (I built this truck "Fluffy" http://www.teamfido.co.uk/vehicles.php) back home in the UK
 
How bad a job is it??

Can't say for sure, but it should be too hard to track down and repair.
Wish I could be of more help.