Curious on what everyone pid everyone is using to read afr on the sct gtx? I chose the “measured afr bank 1 and 2” pid and it reads lambda. I’d like to actually read afr.

 

why would you prefer afr? Lambda is so much easier and universal.

 

Was looking for afr just because it’s easier to notice a lean condition. There isn’t nothing wrong with lambda but it kinda gets tough for me to watch knock, boost and a range of .5-1 with lambda. Easy for me to see 11ish:1 compared to 14.5:1 ish

 

Most tuning is going towards using lambda as a standard especially with flex fuel vehicles. I know you may be comfortable reading afr but I would try getting used to lambda. 1 would be your stoich and the typical wot target will be ~0.8. It's actually much easier to read than afr once you get used to it.