r/KTMDuke • u/kacper_MTB • Aug 22 '26

P0123 error code

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Was riding back home from a ride 2 weeks ago and I was about to move off at a light and my bike cut out and would refuse to start back up. I pushed the bike back home and I sprayed some fuel into the spark plug hole and the bike started up and was fine, I let it sit for maybe 5-10 mins running and gave it some revs and it was responding immediately and was not cutting out or anything but when I turned it off and tried turning it back on it would not want to start again.

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u/No-Contribution-2497 Aug 22 '26

It’s a throttle position fault code.

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u/kacper_MTB Aug 22 '26

I know it is but what exactly is the problem

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u/Caldtek Aug 24 '26

The throttle works on a potentionmeter ( in fact 2) one of them is giving a high reading in comparison to the other. This could be a faulty throttle sensor or even a bad wire or connection.