pump

Hi there i have a freelander 2.0L deisal V reg, comeing home from work the other day down the m6 and it started stitting and missing the end it gave up.I got it home i bleed it changed the filter change the primer cleaned the filter out in the tank cleaned the tank out blow all the lines out.It starts and tiks over but when you rev it up it cuts out so i think its the injection pump does any body now where i can get 1 from thanks