Originally Posted by olsen726
should i see if i can track down a wrx map sensor, and swap that it?
also i thought around 11.1 afr was what it was supposed to be under boost, or are you referring to the 3246-4216 rpm range?
It may not be as easy as a simple swap. Might want to see is somebody else has done that and see what all it takes. It is a very important sensor.
And yes, 3200-4200 is way too lean.