Throttle unresponsive on acceleration - Page 6 - MVAgusta.net
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post #51 of 55 (permalink) Old 08-09-2016, 08:17 AM
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TC on 8 will cause trouble.

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post #52 of 55 (permalink) Old 08-09-2016, 08:18 AM
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Originally Posted by Shug View Post
Yeah - sounds like a different issue you are having on the street. TC wouldn't kick in and just stay cutting power until you shut off and re-applied throttle - not unless there was a bug or issue in the system.

I think it's been identified that the TC just doesn't like fast flick-flacks from side to side, as the revs will be increasing and decreasing as you roll across the width of the tyre and the TC will interpret that as a change in revs that it's not expecting - so the track stuff is sorted - just this new issue now...

It's not doing something a bit more old-school and misfiring, is it? I recently had an issue on mine dropping onto two cylinders. I changed plugs, as it wasn't throwing an error (I'd think a dying coil would), but it still sometimes stumbles and feels like it misses a couple of ignition strokes.

no. it def wasnt skipping.. the only way to describe it is how carburators would act when the 2ndarys wouldnt open..
it was really smooth just extremely slow to accelerate..
as if it had a clogged fuel filter...I had a carbureted bike that did the exact same thing and it was the 2ndary diaphragm in the carbs that was not pulling open when they were supposed to..
wonder if it was the exhaust valve not opening ?
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post #53 of 55 (permalink) Old 08-09-2016, 08:47 AM
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Really weird. Would have thought the exhaust valve not seeing known readings would throw an error. I've been advised disconnecting the valve completely (taking off the cables, not unplugging) before to troubleshoot something, so I assume it defaults to open, so the motor would need to be holding it shut. Not saying that's impossible though.

Maybe a throttle tube sensor intermittent thing - pot on its way out?

Weird.

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post #54 of 55 (permalink) Old 06-16-2019, 05:10 AM
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Happend to my13 f4 about a year ago. Every first ride of the day about 6 to 8 miles or so my throttle wouldnt respond then a couple of pulls it would respond then complete shut down. Took it to the nearest dealership and happens to be that the harness for the tilt over sensor was frayed, after replacement, still kept happening. Finally replaced the tilt over sensor and it stoppped the shut down issue. Previous owner had replaced the sensor before and as a second owner had to replace it again, but so far after 8 months no issue.
Checked around and seems that the 2010-2012 f4's have the traditional tip-over sensors but the 2013+ ones don't ? searched for the part in the catalog and couldn't find anything. Could it be that it works together with the lean angle sensor that is positioned behind the dash ? 500+ euro part :S

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post #55 of 55 (permalink) Old 06-16-2019, 07:24 AM
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Originally Posted by wowjudo View Post
Checked around and seems that the 2010-2012 f4's have the traditional tip-over sensors but the 2013+ ones don't ? searched for the part in the catalog and couldn't find anything. Could it be that it works together with the lean angle sensor that is positioned behind the dash ? 500+ euro part :S
Yes. The Tip Over Sensor function is incorporated into the Lean Angle Sensor for those models that have one.

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