HELP !!! Range Rover Sport V8 SC | DTC P0171 OFF !! NEED HELP Denso MB 279700

[mainhattanracin]

Hei Guys i have some problems with my range rover i change o2 sensor fuel pump katalystic every
think but i have permanent this DTC.
The Workshop says everything is okei i change Air intake ans sensor i lose more thank 6k €

Please set it off DTC P0171 / P0430 / P0420

SET IT OFF


THANKS GUYS Denso MB 279700