Why is my OLSD VE tuning under/over shooting so bad?

[Snyper]

I cannot figure this out for the life of me. Im trying to tune VE and when it says add 7% ill add it and then it goes very rich and says remove 12%..then goes super lean and says add 17% ect ect...what am I missing here?

60#injectors full return fuel system 434ci 262/266

[Gh0st]

I would guess it is related to IAT and ECT When I ran SD on my GTO, I made sure to tune all within the same weather condition. I think some advances have been made to the bias tables nowadays that someone might be able to shed light on. The bias tables will help the IAT/ECT from wildly modifying fueling.

This could also have nothing to do with your problem, but just something to note.

[DSteck]

Multiply by half percent.

Also, hand smooth the table every time.

[Gh0st]

Multiply by half percent.

Also, hand smooth the table every time.

Good advice on both parts. Better to do incremental changes more so than big changes at a time. Another helpful idea may be to increase his hit count for data so that he gets more samples of data and therefore more "accurate" data.

[racerx203]

Multiply by half percent.

Also, hand smooth the table every time.

Do you mean the entier table or section and if it's section which ones??? I'm not understanding smoothing????

[Higgs Boson]

not sure if you are using trims or wb, but if trims in cl, clear your trims each time you log.

[racerx203]

not sure if you are using trims or wb, but if trims in cl, clear your trims each time you log.

WB, OL

[Higgs Boson]

Then ghost is probably right, your Bias Temp table is probably skewing your reading.