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

AutoTap Sample Rate

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Old Nov 12, 2007 | 10:54 AM
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AutoTap Sample Rate

Is the refresh/sample rate on AutoTap limited by software or OBD II communication? If it is software, is there anyway to increase the sample rate?
Old Nov 14, 2007 | 11:23 PM
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Alright being that no one knew the answer, here are some facts I found out in a recent e-mail:

-Most GM and Ford vehicles = 30-35 updates per second

-The "export to comma delimited" turns the log file into a .csv to use in a spreadsheet. The .csv file will also provide a timestamp for each parameter update

-The VIN is automatically read on GM, but for Ford or imports, the VIN has to manually be entered.

-V 3.1 improvements over v 3.0 are better error handling capabilities

The one thing he did not answer is if AutoTap reads the datastream under WOT. It seems that I couldn't the 4 times I tried.
Also, I am still not sure what is the limiting factor in sampling. If I have almost every parameter monitoring, is the sample rate slow because of the software or hardware?

Last edited by Style; Nov 15, 2007 at 01:27 AM.
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