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CB1100 Idle speed instability problem
(12-15-2017, 11:36 AM)pdedse_imp Wrote:
(12-15-2017, 10:46 AM)max_imp Wrote: Thanks pdedse, i was going to ask about this fix, i would not exclude the tps connector, you are now the second to have cured your issue, that i s good news.
Also thanks for the tho links, that helped a lot jdvalero had a low voltage code, so the pin in question was actually the leftmost one, ( +5v ) i think, if it makes bad contact it will open and the voltage will go low.
He correctly states that he THINKS the one he poins at is suspect but it is not.

I like to thank him for taking the picture and posting the fix!

The way the tps connector is installed bothers me a bit, the small wires may be under stress, so it's also a suspect in my opinion and if anyone has a look at theirs be advised to not force the connector in the tps, it should connect fairly easy, if not the contacts could end up mis-aligned and to provide some room in the wiring the tank needs to be lifted and the plastic cover removed with a philips screwdriver.

i also like to stress that trying to adjust the tps by rotating it is not recommended at all unless a very good understanding is achieved on how to proceed, pogun advised this and i would like to repeat his wise words.

Thanks all for the input max

Haha, I am not so optimistic as to call it a cured issue. At least one member has reported that issues disappear over winter only to return in the summer. But every ride free from the high/low idle bug is greatly appreciated, as all are your guys' efforts at pinpointing the matter.

I wish I lived closer to one of you three/four electronic minded members, as I would happily ride by and donate my bike for a weekend to let folks do testing mentioned of late here. I may be able to probe for vacuum leaks as Doc stresses, but I also know my limitations in the realm of electronic diagnosis.

It needs to be misbehaving, unless there is a stored code.
Have you snugged your intake clamps?
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RE: CB1100 Idle speed instability problem - by SportsterDoc_imp - 12-16-2017, 01:56 AM

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