mechanicpunk

well im having the same problems as this guy viewtopic.php?f=19&t=19339&p=129792&hilit=nok#p129792 I would make this a link but dont know how. But anyways did anyone ever fing out what causes this prob. Any help would be great

the d-3 has a built in speedometor does the f 90 have this if so how do i axcess it