hi all i would like to know if there was air in the system will the hi presser pump not pic up presser also do i need to clean the regulator

hi all i am not to the forum i am wisler i have a 2003 land rover freelander 2003.i had a problem with diesel leaking from a plastic junction pipe that is just before the Diesel pump i had this fixed now the car will not start fire up.i check and there is no diesel presser.how do i bleed the...