heres the story: stock b16a2, still unboosted, cai and open mufler.
vafc completely set to zero.
idle: co is ok (0.01) lambda is 1.18 (lean)
3000rpm co is 8.2 lambda is ok (1.00)
can annybody see the logic in this? annybody ever had this problem?

only a few days untill the next emission test.

thanks!!!!!!!!!!!!!!