AFR,s bouncing ?

black cat

black cat

New member
Finally got around to finishing my wide band install. all hooked up and works very well. I have my target set at 14.4 and it gets there but it overshoots to 15 then undershoots to 13.7 . you can feel it when you drive.I can,t it to stay stable or swing less . anybody seen this or corrected it. Thks
 
black cat

black cat

New member
Re: AFR,s bouncing ?

Yes . has cam, 63 lbs inj, vortec heads and 20 g turbo. As soon as i turn it off it is smooth. Using tuner pro. It should be slower in it,s corrections. Maybe frequency of updates in the constants?
 
black cat

black cat

New member
Re: AFR,s bouncing ?

I have all the equipment, The big injectors may be causing a bit of the issue.
 
Tony Dipatri

Tony Dipatri

New member
Re: AFR,s bouncing ?

I have a 415 Cam, 60LB injectors, 5857 turbo, My AFR is bouncing like a basketball. I have read that some SYTY owners work on idle for days to get it right.
 
black cat

black cat

New member
Re: AFR,s bouncing ?

Its been kind of a ball buster. This truck has had every weird issue . All fixed now just want it to run cleaner. My fuel table must be close cause i don,t see my block learn adding or subtracting any major amount. Just a small bounce.
 
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