freelander td4 won't start

Can anyone help? My freelander 2.0 td4 diesel had trouble starting Friday took a lot of cranks then the next day will not start at all I have checked fuel rtn and it's piping out and fuel pump at rear wheel arch is running I checked camshaft sensor and there is 2 pins with 12v and one earth, the centre pin checked whilst running and it runs 11v and drops when turning over, does anyone know of these symptoms and advise before I spend money