Good point.

One thing I have been working on, is whether B4107 is controlling when MAF is enabled (just like B5913).

If that is the case (big if), then B4106 the LTFT Update Filter will be totally controlled by MAF.

If that is the case, then any Airflow correction is being ignored by MAF unless it exceeds the amount dictated in C2911 (MAF Rationality Test).

At this point, I have no way of proving it. Except for the fact that you can load up a lot of bogus VE Tables B0101, and the effects on Trims seems very negligible.

While I know there is a lot more to tuning..it really makes you wonder if anybody really knows the exact MAF/VE blending. How much of the VE Table is 'just in case of MAF failure.???

Proving this is the challenge!