That's an odd looking VE table. It's common to see Valleys and Peaks in a VE tables. The VE table posted appears to have Valleys and Peaks outside of the "normal" range.

Typically, an engine at...

Often surging can be caused by Acceleration Enrichment (AE) being active at the wrong time. Maybe the parameters for the MAP Delta Difference for AE Active or the TPS Delta Difference for AE Active...