98 RANGER 3.0 Reg fuel replaced with2000 Ranger flex fuel

[Ranger ray 61]

TROUBLE CODES BANK 1 AND 2 RUNING LEAN. fuel trim 22% . Got 2000 motor from wreck truck. put 98 injectors and fuel rail and upper intake on truck,the heads and lower lntke and bottom part of engine are 2000 flex fuel. Am i going to b able to fix my trouible codes.

 

[decipha]

if you have the original maf and injectors then most likely you have an air leak or unmeasured air