First let me start by saying I'm using EFI Live with COS3. I've been working on setting up my VE table but I noticed some cells that are way out of wack with the rest.

I then started looking VERY closely at my logs and noticed that everytime I step on the gas and go into a KPA above 95 I get these lean spikes when my commanded AFR goes to 11.7. Is this lean tip in that people talk about? How can I make it go away or is it just normal and I shouldn't be worried about it?

Thanks,

Bill

 

Typical I'd say. With HPT you can use whats called "Enrichment rate" to help it get to commanded quicker in PE but it will still lean spike.

You can also fatten up VE table to in spots to kinda of compensate for them, keeping in mind that if you run through these cells when not a "tip in" scenario you would go rich.

 

EFI also has an enrichment rate but I'm just not sure what it should be set at and if it will get rid of these. Here is a shot of how much more fuel it's asking for in these cells.

Thanks,

Bill