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2010 ultra hesitation and sputtering issues

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Old Jun 19, 2014 | 04:47 PM
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Default 2010 ultra hesitation and sputtering issues

hello

i rode yesterday in 90 degree heat on city streets. I stopped for a short time, then resaddled. I started the bike then rode off. Right away it started to hesitate and sputter. I noticed the engine light on. I started the bike, put my helmet on and rode away like all other times. it was fast. Maybe I didn't let the bike warm up properly?

The only recent work done was I installed a stereo amplifier and took the tank off to run the wires. Both neg and pos wires at the battery are secure, so thats not the problem.

I stopped again, at another store. I Resaddled, it started, no check engine light on, but same miserable throttle response.

This is the first time this year driving in this type of heat. It is not bad gas. I refilled last time, now at 3/4 and it is just happening now

I don't know how to run codes. Does anyone know what this could be. I would be much obliged with your thoughts and help

thanks
joe
 
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Old Jun 19, 2014 | 05:50 PM
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Hey Joe check the connection to the throttle body behind the air cleaner my Ultra did the same thing from time to time I pulled it off put a little dielectric grease on it pushed it back in and no issues since..Good luck
 
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Old Jun 19, 2014 | 06:48 PM
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thanks MikeySom
 
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Old Jun 19, 2014 | 09:23 PM
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i could use more ideas. Anybody?
 
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Old Jun 19, 2014 | 11:31 PM
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Joe more ideas? Why you didn't like the one given. My 10 ltd has similar problems and it's the connector on the throttle body. Only does it when hot. But instead of just shoving some dielectric grease in there, actually clean the connectors with Electronic contact cleaner.
 
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Old Jun 20, 2014 | 05:43 AM
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You should check for codes...

http://www.fuelmotousa.com/harleycodes.html

lp
 
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Old Jun 20, 2014 | 01:26 PM
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try new spark plugs
 
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Old Aug 4, 2014 | 04:40 AM
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MickeySom and jdvorchack

I have cleaned and greased the tcm and the ecm and I am still having this miserable problem. Any other solutions. I can't ride the bike like this. It is down right dangerous and I can't depend on it.

It is now at the dealers and they can't figure it out. Bike has not thrown codes
 
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Old Aug 4, 2014 | 06:18 AM
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Originally Posted by lp
You should check for codes...

http://www.fuelmotousa.com/harleycodes.html

lp
Ya that if engine light was on there should be codes stored
 
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Old Aug 4, 2014 | 03:46 PM
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Might be a couple of things. 1) Fuel pressure - if the fuel pump isn't providing enough pressure, fuel injection system won't provide enough fuel to the engine. There's a test for this that the dealer can do. Presumably if it is at the dealer they did this. 2) Bad sensor - in the induction module there's a TMAP sensor (temperature manifold air pressure) which if bad gives the ecm bad info which gives the fuel injectors bad info... Or, as MikeySom noted, the connector to the induction module culd be bad which can cause the same problem. 3) air leak around the induction module. There's a test for this the dealer can do, hopefully they did this. If air leaks into the system at the induction module, it screws up the air/fuel mix ratio. 4) Spark plugs or plug wires, not getting spark properly. Doesn't seem that this would happen all of a sudden.

Since the tank was pulled and wires possibly disturbed, it might be a broken or intermittent wire, or a bad/loose connector someplace in the system. Tough to track down.

Hope you get your ride back in shape. There is something bad in the system, once it is found and corrected, it will run fine again.
 
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