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CB1100 Idle speed instability problem
(05-22-2022, 12:01 AM)whizzle_dizzler_imp Wrote: Took the CB by my local dealer, they hooked up my bike, it threw no codes or had anything that popped up on their system. They suggested the Power Commander and Remus slip-on could be the issue, spark plugs (those were done a few thousand miles ago), and "tps voltage low" with a recommendation for a new battery @ $120 plus $100 labor, no thanks. As I work with batteries all day, hand-picked this one and tested before install, it is one month old (plus it had a new lithium in it for a month before I switched back to AGM, so it's 100% not a battery issue).

They gave me no further insight into helping getting this problem fixed, so I'll be trading this in on a Tenere 700 whenever a dealer close by gets one in stock. I really wanted to love this bike and put as many miles on it as I could, but at just over 20k miles, I'm not going to throw hundreds of dollars at a bike that should be dead-reliable

(05-19-2022, 11:08 AM)SportsterDoc_imp Wrote: Whizzle
Did you review Max's IACV thread?

http://cb1100forum.com/forum/showthread.php?tid=12203

I have not read through this particular thread, I'll take a peek

I have not read through this particular thread, I'll take a peek
It won't help. I have kept quiet because I was hoping mine would somehow magically disappear. At a little over 5,000 miles, my 2013 standard has started idling at 2,000 and nothing helps. Had a new (probably 2013) IACV installed at the dealer and it drove away from the dealer just fine. Lasted a couple days and back to fast idle. Since I asked them to install the IACV and didn't specify why, I am sure I will get the same response from them that you did - they don't have any idea and they'll sell me every possible component until they find one that works, or I run out of money.
Your idea is the best. I don't want to dump it on some poor innocent biker who will be on here looking unsuccessfully for a solution in a few days. A trade-in might be the only way out. Maybe I could part it out and get my money out of it that way. I can ride it this way, I guess, as little as I ride, and see if it ever gets better.
Also, it does seem to run fine without the TPS connected, so I could put a piece of electrician's tape over the "check engine" light and disconnect the TPS.
For what it is worth, I think it is a real shame that Honda has never sent the software update and a notice out to US dealers.
It is also a real shame because I really like this bike otherwise. It really puts a tarnish on the whole experience.
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RE: CB1100 Idle speed instability problem - by Nachodaddy - 05-22-2022, 04:41 AM

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