Jardsooo is right. Me & mates build jap cars, were we screw around heaps with the computers, and the workshop we do it at laughed when I told him. All hilux's etc have the same flat spot, they have to tame the black soot that shoots out the exhaust at take off for emsissions, so they program in the flat spot.
Chip it and itdissapears he said. Ive done the 3" mercury system and that got rid of 0% of it.... I used to stall it all the time on take off when I was dreaming... Stall my 200sx which has a 1300kg pressure plate on the clutch less !