i have no clue what it is...maybe it could even be a lag of reading the pedal's position as it rises back (throttle plate stays open longer)...but i doubt it..that would mean that all the values would be messed up....no idea man..sorry.
---------------------------------------
'06 B7 A4, Black, 6spd 2.0T GT2876R/0.64a/r, Avant
'01.5 S4, Santorin, 6spd, Sedan
'01.5 S4, Silver, GT28 6spd, Sedan
'01.5 S4, Black, 6spd, Sedan
'92 G60 Corrado, 5spd with built 20V 1.8T, GT2871R/0.60/0.86, full drive by wire
VAST PERFORMANCE

mike AT vastperformance DOT com