Quote Originally Posted by Rick90lx View Post
Here's a screen shot of my Coolant Temp Enrichment Tables.
According to your engine temperatures, that won't disable Learning.
As a side note, why is the entire A/F Ratio Offset Table completely zeroed?

I may be waiting for warmer weather to make any more progress.
I'd be using this cold weather to my advantage by tuning the colder cells (Startup & Coolant Temp Enrichment Tables, etc.).

FYI: Average cruising temps on the drive with no compensation beyond 4000 rpm was 154° with a max of 170°.
Again, I'm very curious as to what's causing the Learning to stop at 4000 RPM.
When you find it, please inform us. The engine has been run higher than 4000 RPM, right?