HELP PUMP VP30 FORD FOCUS

[auto421]

HELLO, I NEED HELP.I REPLACE ORIGINAL PUMP FOR ANOTHER USED PUMP AND AJUSTEMENT WIT FOCOM . BUT IN PARAMETERS PATS IS REJECTED \NO START.WATS WORNG?
OUT CODE:004024CF5A000000 PUMP AJUSTEMENT. TANK YOU AND BEST REGARDS