Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

1rst datalog... Notice something strange, I think.

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Old Jul 3, 2011 | 08:03 AM
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1994formy's Avatar
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1rst datalog... Notice something strange, I think.

Can anyone who'se looked at several of these tell me what they think?

http://www.mediafire.com/?cjtu7f6ymcy6oe0

What's up with the voltage dropping way low every so many captures. What could this be an indicator of? Do you notice anything else way out of line?
Old Jul 3, 2011 | 12:38 PM
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Re: 1rst datalog... Notice something strange, I think.

What software did you use to record that data? Never saw a data log with more than 300 columns, including individual columns for both OBD-I and OBD-II codes. It's extremely difficult to review. You need to figure out how to output only the columns you need, so the spreadsheet is manageable.

I see where the ignition voltage goes to "0", but that's just the result of corrupt data. If you look at all the columns, there is a complete change in the data on that line in all of them, indicating to me that the data is not indexing into the correct columns.
Old Jul 3, 2011 | 01:04 PM
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1994formy's Avatar
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Re: 1rst datalog... Notice something strange, I think.

It's tunerpro rt... I wish I could get it to just show the pertinant data, but I'm not sure how to yet. I'll keep plugging, just really wondered about that weird voltage drop. I had seen all the other data go to strange values at the same time, but wasn't sure if that was the result of an actual voltage drop or not. Thanks for the look, I'll post up another if I can get it thinned out.
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