Do you use a Pedalbox or Sprint Booster in your DSG equipped car?

[Umai Naa!!]

Left-foot braking cancels out accelerator input.

Try blipping the throttle, as per a manual.

[booba]

*shrug*, i never had problem with my05 gti, my13 passat nor my14 R. I have never experienced this up to 4 second delay, doughy gearbox that you speak of, learn how to use the pedal properly.