I might be wrong but wasn't there a post from one of the experts a while ago that said this can happen if something is fitted the wrong way around, and it was easy to do if the fitters were not Z experienced? I don't want to worry you though, I may be wrong
If the bite is very low, as in silly low, then adjusting the pedal does not seem right as it should never really have to be adjusted to make the car drivable. Personally I'd go for the bleed of the slave first.