TPS Sensor? - Kawasaki Vulcan Forum : Vulcan Forums
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post #1 of 17 (permalink) Old 04-03-2012, 07:41 PM Thread Starter
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TPS Sensor?

I'm not even sure if it has one, but lately my 900 Custom has randomly been sticking at a higher idle than normal and eventually will drop back down, it also occasionally when you crank back the throttle, the engine does not react immediately and when it does it hardly pulls then seems to suddenly react. It doesn't do this every time, but has a couple times here lately... Any ideas? Thanks, -Kyle
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post #2 of 17 (permalink) Old 04-03-2012, 08:17 PM
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I'm not even sure if it has one, but lately my 900 Custom has randomly been sticking at a higher idle than normal and eventually will drop back down, it also occasionally when you crank back the throttle, the engine does not react immediately and when it does it hardly pulls then seems to suddenly react. It doesn't do this every time, but has a couple times here lately... Any ideas? Thanks, -Kyle
Yes the VN900 has a TPS SENSOR.

At what point does this happen, shortly after start or later during the ride.

If this happens within two minutes after the start, you might check the voltage on your battery.

If this is during a ride give the throttle cables a shot of oil, maybe sticking.

John
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post #3 of 17 (permalink) Old 04-03-2012, 10:32 PM
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A Throttle Position Sensor Sensor?
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post #4 of 17 (permalink) Old 04-03-2012, 11:24 PM
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Originally Posted by flywithlloyd View Post
A Throttle Position Sensor Sensor?
Is that related to a hose "pipe"? Or a hot water heater?


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post #5 of 17 (permalink) Old 04-04-2012, 06:39 AM
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HEY, no spell check at work OK.

John
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post #6 of 17 (permalink) Old 04-04-2012, 07:43 AM
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Remember to put the cover sheet on the TPS report

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post #7 of 17 (permalink) Old 04-04-2012, 08:40 AM
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LOL - sorry, had to crack my funny.
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post #8 of 17 (permalink) Old 04-04-2012, 09:45 AM Thread Starter
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LOL and yes it seems to do it within the first few minutes of riding.
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post #9 of 17 (permalink) Old 04-04-2012, 10:23 AM
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Originally Posted by 68novabbc View Post
I'm not even sure if it has one, but lately my 900 Custom has randomly been sticking at a higher idle than normal and eventually will drop back down, it also occasionally when you crank back the throttle, the engine does not react immediately and when it does it hardly pulls then seems to suddenly react. It doesn't do this every time, but has a couple times here lately... Any ideas? Thanks, -Kyle
Possible sub-throttle problem.
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post #10 of 17 (permalink) Old 04-04-2012, 10:39 AM
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LOL and yes it seems to do it within the first few minutes of riding.
Happens to lots of us. Called Run away high idle. Check your voltage on the battery. There is a low voltage check, after the start, that increases the rpm when low voltage is indicated. Rpm can go up as high as 2500 rpms. Really embarassing when it happens at a gas station. RMP will drop when voltage is improved or 2 minutes passes.
Started on mine in Feb, Checked my battery and it has been replaced. Issue solved.

John
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