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Rough idling when hot

Dave Stewart

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Joined
Mar 24, 2019
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Age
70
Location
New zealand
Members Ride
VN V8 Calias
My VN V8 idle run fine when starting cold and also when it warms up. But if stopped and restarted hot it then runs rough but after driving and stopping the idle run fine. There is no fault codes come up .What could cause this fault.
 

MikeC

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Jan 10, 2010
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VQ Statesman
I'd look at the IAC valve.
 
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