Idle air control valve? - Page 2 - Honda ATV Forum
Honda Rancher Discuss all models of the Honda Rancher 350/400/420

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post #11 of 13 (permalink) Old 10-26-2018, 08:19 PM
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I have a 2012 Honda rancher 420 4x4 it idles really rough it idles high and the screw that you use it idles it down doesn't work cleaned carb still does it does any body have a clue does idle low sounds like it back fires as well
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post #12 of 13 (permalink) Old 10-26-2018, 09:21 PM
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Originally Posted by DUK View Post
Fixed... I listened to the IAC valve and it was clicking very fast when the key was first turned on and again once the engine was warm. I unplugged it while it was running waited a few seconds and plugged it back in. This did throw a code and the FI light started flashing, but the idle raised to ~1400 and I could rev it and let off and it would idle. Shut the key off waited 10 seconds and fired it back up and my idle is spot on and rock steady.
Did you try the above?
Do you have the service manual? Link in my sig block.
It would be best for you to start a fresh thread addressing your 2012 as this thread was originally for 2007 and several years old
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Last edited by Goober; 10-26-2018 at 09:24 PM.
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post #13 of 13 (permalink) Old 05-17-2019, 06:10 PM
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Hey buddy I am having some problems with my 2013 honda foreman sounds like the same problem you was having! What is the IAC because I changed everything from the fuel pump to the injector still can not start unless I shot gas straight to the TB! I am out of options and need help I am not getting enough fuel for sure!
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