not that i have one at the minute, but i know that the motronic doesnt use the lambda readings at WOT and there is a wide range lambda sensor available.
are the readings for the standard sensor not accurate at full throttle? or is the reading cut?!?
to map full throttle fuelling do i have to shell out 180 quid for a wide range sensor?? or can i use a nice shiny (cheap) standard one