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CB1100 Idle speed instability problem
#61
Naah, ignition on/off doesn't solve it, you gotta use the kills switch and the bikes idle transform from cuss to how its supposed to act...

What also seems to help is doing the TPS reset (ignition on but don't start the engine, apply full throttle than throttle to zero position, repeat this twice, ignition off) but this takes too long so I rather use the kill switch, especially when I'm in city traffic.
Can you see me standing there in the traffic jam doing the TPS reset procedure :-)

Yeah, I shared the video on all 4 major CB1100 facebook pages.
And on all major CB1100 forums on the net (this one, UK one, French one)
Not the German one yet, too difficult language and too lazy to use Google Translate.
And on the ADV forum they also have a dedicated CB1100 forum:
http://advrider.com/index.php?threads/20...00.820439/
(05-12-2016, 07:46 PM)kmoney_imp Wrote:
(05-12-2016, 03:27 PM)Riko_imp Wrote: Some mechanics i spoke with strongly follow the hypothesis its bad lambda sensors.

That could explain the issue.
Giving wrong info to the ecu causing it to idle low.
Doing this only after its on temperature, so not immediately.
Using the killswitch resets the values send from the sensor.
No error codes on the ECU.

Thinking about perhaps going the O2 eliminator way....

But later today I'll to disconnect the battery since that solved the issue for someone according to my taiwanese facebook connections..i doubt this is true, but I can only exclude that option by trying.

Most EFI systems run idle and WOT in open loop mode, and only use O2 sensors for part throttle mixture control. It's possible the CB is different, but I would be surprised if it was the oxygen sensor causing this problem.

Most EFI systems run idle and WOT in open loop mode, and only use O2 sensors for part throttle mixture control. It's possible the CB is different, but I would be surprised if it was the oxygen sensor causing this problem.
isn't there a difference with the STD and the dual exhaust cb's?

the EX has 2 sensors and both have the identical same function?

I am not technically skilled but I will copy paste the text from a mechanic that helped me in the past and he said some stuff about those lambda sensors and why this could be reason.

He also said something about an open or closed loop mode.

Will be continued.
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Messages In This Thread
RE: 15’ CB1100 Idle speed unstable problem - by Riko_imp - 05-12-2016, 10:26 PM

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