Originally Posted by the original
cossie only uses closed loop on light throttle and below about 4000 rpm (and when hot of course)
else a cossie reverts to the map values
but this post ain't about cossies....

thats the reson i asked, because i understand a Cossie uses closed loop and then reverts to map over certain % of throttle. I wondered if the Focus RS does something simlar
Cheers for info so far, any more info