Hello, I solve problem with on board computer. I replace old thermometer for new on board computer. But the problem is, that I have BJ 1,5 16V 1998 and the car witch give the computer is 1,8. Temperature and clock are ok, but I don't know if consumption is right and range display dashes. Someone tell me, that computer must be set for new engine and that is makes the buttons "set" "reset" and "select". But I don't know how. Can you please help me? For finish a excuse my bad English. Thank you very much.

It take a while for the millage to appears, like a good 60-100 milles for it to work! And you need to have more than half a tank, mine done ecally the same!

Yes, thanks, I found some information at polish topic. Link:
http://www.mazdaspeed.pl/...9df144e17c701af4&start=20
I used the google translator and it is ok.