Am wondering if anyone has encounted this problem before,
one day my evo 6 just started loosing fuel when i would put the gas pedal down running as lean as 20afr. Idle afr started to get worse and worse and it will idle at 17-18afr at 43psi base pressure, i have bumped the base pressure up to about 60psi just to get a 14-15afr on idle.
things i have tried/ replaced:

Injectors

Fuel pump (dw300 hardwired)

Spark plugs

O2 sensor

Maf

Air filter

Fuel relays (including hardwire relay)

Tps

Intake/throttle body gaskets



Pump running 13.1 volts (battery had been sitting for a month)

ecu is a stock reflashed ecu with stock injectors/turbo/engine internals. Fuel system is a dw300 pump hardwired with a turbosmart 1200 fpr has a brand new fuel filter too

if anyone has any ideas it would be great as i have tried everything