Lean/rough idle until closed loop
Thread Starter
Evolving Member
Joined: Oct 2009
Posts: 139
Likes: 13
From: Casa Grande, AZ
I posted the log in the original post. It’s dead lean until closed loop kicks in. The IAC is at 100% the entire warm up and as soon as it goes into closed loop the trims start working along with the IAC starting to actually work. all the info is in the original post.
Newbie
Joined: May 2018
Posts: 45
Likes: 25
From: Canada
Just took a peek at the log. My guess is that a tune will likely sort it out.
Tuner will adjust the warm up and afterstart tables to correct the lean afr and play with the isc position plus ign correction to get the target rpm.
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