Cold start issues
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Cruiser
Joined: Mar 2013
Posts: 117
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From: Okinawa, Japan
Cold start issues
Looking for some help. My 2006 fuel injected Dyna has developed a small issue. When I start it up in the morning, it'll fire right up, the rpms will be right around 1800-2000 like normal and then when they start to come down after a few seconds, it'll die unless I give it some throttle. It runs great and idles fine after that. Is it the IAC? It just started doing it and it doesn't do it every time. Like I said, it runs strong but its just a minor annoyance that I want to get rid of. Any ideas?
Road Captain
Joined: Oct 2011
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From: Northern VA
Seasoned HDF Member
Joined: Jul 2008
Posts: 9,281
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From: southeast PA
When I start mine cold it idles high not nearly 2000 rpms, that sounds to me a little high.
It could be the IAC needs cleaning, especially if you've never done it. An easy job that takes just a few minutes. The IAC itself may also be bad but try the simple stuff first. There's also the possibility of a hole in the fuel tank line that cuts down on the fuel pressure to the system.
It could be the IAC needs cleaning, especially if you've never done it. An easy job that takes just a few minutes. The IAC itself may also be bad but try the simple stuff first. There's also the possibility of a hole in the fuel tank line that cuts down on the fuel pressure to the system.
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Cruiser
Joined: Mar 2013
Posts: 117
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From: Okinawa, Japan
Thanks for the help. I took a rag, some q tips and some rubbing alcohol and cleaned out everything. It started right up without any stumbling. Hopefully it stays like that. Looks like a dk custom outlaw air cleaner is next on the menu. I can't believe how much oily crap is blown back into the intake through the stock set up.
Seasoned HDF Member
Joined: Jul 2008
Posts: 9,281
Likes: 1,139
From: southeast PA
I was amazed at the amount of stuff that came out of mine the first time I cleaned it. I probably should have mentioned to use throttle body or carb cleaner spray, it can get all of that crap out, especially if you cycle the ignition a couple of times. Either way, glad it worked out.
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