I'm having an issue that started today with a histogram I have for logging KR on my 2001 Blazer. I set it up over the weekend and it worked fine the first scan. Today I realized that it was averaging the deg's of knock retard so I changed it to record max deg. Now it shows the data until I stop scanning to do a "save as" . As soon as I touch the "stop scanning" tab the data disappears. Anyone have any ideas.
Ken