Hi. Can someone explaine me, why the ecu follow fkkvs but not lambda?
If i set my fkkvs near 0.400 all map, the afr is good until boost goes, then fuel trims maxed out +25% and goes very lean, but if i adjust fkkvs in boost area like from 0.400 to 0.800 then afr is good there
my krkte 0.0054
Fkkvs all map near 0.400 cuz cant lower injector flow with krkte only
Lambda requested 0.78 but it wont follow it, fuel trim maxed out in boost +25% and afr goes up to 16afr at 4k rpm

The rear o2 sensors deletes, vcds readiness all passed, have failt for maf and intake valve,
Ecu is builded for maflless setup

0.0054 krkte ? lol

If you gonna do it like 99% of people out there not giving a damn about load or even scaling anything, then you will have to literally fuel everything via fkkvs(also gl without a dyno), but it will never be right and it will run like crap compared to an OEM calibration ofcourse.


Car needs Load patch and a MAF ofcourse and even then it will need tuning to fuel properly. If its a 2.8 c167 like you mentioned in your previous posts you are even luckier.
I am doing ST10 SD/ MAP conversion(and boost controller code) and its a different league.

Helps with what? ECU didn't had any load input, this won't work
Learn the basics first

Also if you want money for answer its not problem just say it, i know that need to pay for all in this world soo its not problem, but if you cant help then just leave this post!

Thanks it was the answer for all my questions!
As i already think about the car without maf will be shit.

maybe you can say someone who can make soft for this car? i can make hardware back there where it was in start with rs4 maf 100mm housing

Well you need to be a little more specific. Technically speaking all of the lambda sensors are in the same exhaust. The problem is 2 different bank sensors in the same pipe, they will fight over fueling corrections and the end result is normally one bank adaption maxed out positive and the other bank maxed out negative. You can have the lambda sensors preturbo in the manifold before they merge into one pipe and it will be fine. However, I would not recommended having lambda sensors preturbo.