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Check Engine light

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Old Feb 29, 2008 | 03:08 PM
  #21  
twincam47's Avatar
twincam47
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Joined: Oct 2007
Posts: 634
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From: Plum & Nearly
Default RE: Check Engine light

ORIGINAL: FastHoss

I have always heard to avoid trouble with ecm to turn ignition on and wait untill check engine light goes off,then start.Anyone else know about this? Four years and never a problem.

MYTH.....jsut turn the ignition on and hit the button
 
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Old Feb 29, 2008 | 03:56 PM
  #22  
Scootr's Avatar
Scootr
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Joined: Jul 2007
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From: Milwaukee, WI
Default RE: Check Engine light

Great info Greatguy thank you.
 
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Old Feb 29, 2008 | 03:58 PM
  #23  
Scootr's Avatar
Scootr
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Joined: Jul 2007
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From: Milwaukee, WI
Default RE: Check Engine light

ORIGINAL: twincam47

ORIGINAL: FastHoss

I have always heard to avoid trouble with ecm to turn ignition on and wait untill check engine light goes off,then start.Anyone else know about this? Four years and never a problem.

MYTH.....jsut turn the ignition on and hit the button
Agree. Especially if you add a Power Comander it starts better if you hit the starter before the light/fuel pumpgoes off.
 
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Old Mar 2, 2008 | 10:10 AM
  #24  
racklefratz's Avatar
racklefratz
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Joined: Jul 2007
Posts: 914
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From: Republic of Texas
Default RE: Check Engine light

ORIGINAL: FastHoss

I have always heard to avoid trouble with ecm to turn ignition on and wait untill check engine light goes off,then start.Anyone else know about this? Four years and never a problem.
"Trouble" wasn't with ecm. Trouble was bad handlebar switches; ecm was/is fine.

The check engine light comes on with the ignition as part of a number of self-checks the system performs. There's a data bus throughout the bike's electrical system and data is sent around everywhere on the system to try to be sure stuff is working. HD techies call it "housekeeping". The bike will start fine whether you wait for the check routine to finish or not. I usually wait till it's done; I'm seldom in that big a hurry.
 
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Old Jul 2, 2009 | 09:13 PM
  #25  
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ucommbxny
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Joined: May 2008
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From: New York / Texas
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in the middle of a road trip this week to the blueridge parkway my cruise control started to act up then the check engine light came on, checked error code P0577, so i would have to say it was the cruise control that set off the error code. if the codes are standard at least for cars that code indicates cruise control problem, will bring to dealer to have fixed under warranty
 
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Old Oct 13, 2009 | 05:38 PM
  #26  
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dlind24
Stage IV
Joined: Jun 2009
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Default

My 09 Classic did the same. Replacing the handlebar switch. we will see
 
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