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Rear cylinder is not firing

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  #11  
Old 10-03-2011, 11:14 AM
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HD Charlie will that kind of eliminate the PCI if it starts on both cylinders?
if it starts on both cyls. that will point to the pc 1 as the problem
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  #12  
Old 10-03-2011, 11:20 AM
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The ECM wouldn't be on the side compartment on the right side by the seat?
On your 07 bike, the ECM is behind the right side cover. If you have a Power Commander, it will also be under that cover.
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  #13  
Old 10-03-2011, 11:30 AM
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Tahnks guys I will check this informationout and get back to you, thx again

HD Dave
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  #14  
Old 10-03-2011, 12:18 PM
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If the rear cylinder only did this when at idle and cleared up when you took off it probably is not any of the things mentioned by the other posters.
On the 07 and early 08 bike the Engine Idle Temp Management System had to be turned on or off by flashing the ECM
This system shuts down the rear cylinder when its temperature exceeds a certain level.
As soon as you open the throttle everything goes back to normal.
If this accurately describes your problem you can quit looking.
Do a search for EITMS or Engine Idle Temp Management System for more information.

This is as I understand is merely for rider comfort. But since Harley lawyers are always on the lookout for lawsuits maybe they were afraid that they would get sued for rendering riders sterile due the the excess heat in the groin area. ;-)

Last edited by vzts4q; 10-03-2011 at 12:24 PM.
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  #15  
Old 10-03-2011, 12:48 PM
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Quote:
Originally Posted by vzts4q View Post
If the rear cylinder only did this when at idle and cleared up when you took off it probably is not any of the things mentioned by the other posters.
On the 07 and early 08 bike the Engine Idle Temp Management System had to be turned on or off by flashing the ECM
This system shuts down the rear cylinder when its temperature exceeds a certain level.
As soon as you open the throttle everything goes back to normal.
If this accurately describes your problem you can quit looking.
Do a search for EITMS or Engine Idle Temp Management System for more information.

This is as I understand is merely for rider comfort. But since Harley lawyers are always on the lookout for lawsuits maybe they were afraid that they would get sued for rendering riders sterile due the the excess heat in the groin area. ;-)
doesn't appear to be the issue here, bike would have cooled off slightly just during his swapping stuff, to allow both cyls to fire again for at least a minute or two so cyl shut off shouldn't be activating at this time, especially at startup. if it is there is a problem with ecm
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Old 10-03-2011, 05:10 PM
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My 07 Road King had the exact symptoms as the original posters bike. It would run fine for a while,maybe even half a day then the rear cylinder would quit firing. Then it would run fine for while again and repeat. It did this intermittently for a couple of weeks before we finally chased it down to a bad ECM.
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  #17  
Old 10-03-2011, 05:23 PM
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What year did HD start utilizing the Parade Mode on the rear cylinder, my 2011 does it all the time at idle?
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  #18  
Old 10-03-2011, 06:36 PM
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09 for sure, think 08 had it too dont hold me to the 08 one though
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  #19  
Old 10-03-2011, 07:31 PM
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Default Bad ECM?

Wouldn't a bad ECM throw a check engine code though?

Last edited by ernster500; 10-03-2011 at 07:33 PM.
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  #20  
Old 10-03-2011, 08:01 PM
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Originally Posted by ernster500 View Post
Wouldn't a bad ECM throw a check engine code though?
Yep, on my bike it threw a check engine code, but as soon as the rear cylinder started firing again the check engine light went off. It did leave a historical code for rear cylinder misfire and coil open.
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2011, 99, cylinder, davidson, ecm, firing, glide, harley, located, panhead, rear, skipping, softail, stops, street

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