Originally Posted by roger 04 rt
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?