CB1100 Idle speed instability problem

[Lambchops_imp]

Hi everyone it's me again back to share my experience with the idle instability issues after 3 years.

I posted in 2020 about findings in Japan that dealt with the idle issues via a ECU update here: http://cb1100forum.com/forum/showthread.php?tid=15710

It seemed like the general consensus then was that it is an IACV issue and not ECU. But lately, from what i've read it sounds like the ECU update patch has been shared with EU and has worked. Also, it appears that the older ECU part numbers have been superseded with a newer part number.

I have replaced my IACV twice and still encountered the same issues so I believe it it might be solved with either an ECU update or a new ECU.

DDUMZI has shared his experience here with his ECU: [url=http://cb1100forum.com/forum/showthread.php?tid=18035&page=7]http://cb1100forum.com/forum/showthread....035&page=7

I'll update again if an ECU replacement solves the issue. Wish me luck