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

does anyone use scantool and ELM scan (elmscan)

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Old Jun 10, 2008 | 12:54 AM
  #1  
tlillard23's Avatar
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From: Northern California
does anyone use scantool and ELM scan (elmscan)

I just bought this software hardware on the advice of a friend. Does anyone use this? i was really looking for something to look at knock counts and see if my exhaust is making spark retard.
Old Jun 11, 2008 | 03:23 PM
  #2  
VinceTrifecta's Avatar
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From: Seattle area
The knock counts are a "GM manufacturer specific" PID, so a generic OBD2 scan tool probably won't display this information for you.
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