This is a 2006 Mustang GT with Ford hot rod cams, JLT 110 mm CAI, long tube headers, and cat deletes. Fuel base table is commanding .84 lambda at WOT. During dyno run up to about 5300 rpm, .84 is datalogged as actual commanded lambda. Just what I expected. Above 5300 rpm, the afr goes very rich and the actual commanded lambda drops to .7. This is actual commanded lambda, not measured lambda from the wideband.
Where did that come from?? I cannot find any table other than transient fuel gain table that modifies fuel. How can I determine what is modifying the commanded afr in the fuel base table? Thanks in advance.