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Discussion Starter #1
My '07 deuce idles fine around town but as soon as I run it at highway speeds it won't idle when I get back to town or stop at a stop sign. It will die right out if I don't keep blipping the throttle. The bike has stock air cleaner and V & H big radius pipes. Any ideas?
 

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Sounds like the IAC is stuck or shot. That's on top of the throttle body and controls idle air.
 

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Discussion Starter #3
Thanks, I'll start looking there.
 

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Retired citizen
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If you take the air cleaner off you can see the IAC pintle in the top of the throttle body bore. Cycle the ignition on and off, the pintle should move in and out and settle in a slightly open position. It should do that consistantly every time you cycle the ignition.
 

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A shot of carb cleaner or similar sensor cleaner through there will often clean some gunk out and fix the problem. Sometimes not.
 
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