wondering if any wouldn't mind looking at a log
Hi, wondering if any wouldn't mind looking at a log. I am trying to figure out why i am commanding a AFR of 12-13 and i am see afr's of 10 then goes lean when i get off the throttle.
Its a stock dodge 5.9 magnum. new to this and trying to learn, thanks
https://docs.google.com/spreadsheets/d/1q74zS19xq1pPVdhay-e8GaxD3YlLjGjjQF1B7g1UXag/edit?usp=sharing
I just looked through a few spots in the log (at about lines 163 and at 225), and it looks like you're going a little lean as soon as you give it some throttle (when Map goes to 90+, at about 30% throttle position sensor). And then at that point it's dumping in some fuel and then compensating back lean after.
What are your accelerator pump and fast accel pump settings at?
Quote from redriderjf87 on September 6, 2020, 9:09 pmI just looked through a few spots in the log (at about lines 163 and at 225), and it looks like you're going a little lean as soon as you give it some throttle (when Map goes to 90+, at about 30% throttle position sensor). And then at that point it's dumping in some fuel and then compensating back lean after.
What are your accelerator pump and fast accel pump settings at?
I almost have both maxed out there, I made another post about CFM vs cubic inch, I raised the cubic inched to up to 500 from 360, thinking i can trick it, because its seems to get more air then it needs. That seemed to help alot, but i still have a little issue going lean when getting on the throttle but its better.
Plus i got the latest software since/
Gotcha. May also be worth it to look at your secondaries adjustment in that case. I had the lean stumble from Hell and after exhausting fuel delivery and tune settings, had to adjust it to open the back barrels just a bit more. Made all the difference for me at least.
https://fitechefituning.com/fitech-efi-tuning-forum-2/topic/secondary-adjustment/
Interesting, I will taking a look at that. I’ve had no problems idling. Just that one and cold starts.