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Old 12-14-2011, 08:54 PM   #12
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Joined: Apr 2003
Location: Long Beach, CA
Oddometer: 11,887
Originally Posted by roger 04 rt View Post

Closed Loop means the ECU is headed to a target mixture that oscillates around 14.7 for gasoline without ethanol. Most interesting is the dive to lean which occurs during the transition to Cloaed Loop during acceleration. I have the voltage data and will show some new interesting charts tomorrow.
Ok, you are limiting the term 'Closed Loop'. I'm just trying to slow down the erroneous conclusion rate.

I can't offhand recall the data rate (sweep speed) of the GS-911. Do you know what it is?

On the charts you posted, is the X axis in seconds?


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