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2013 Heritage stalling issue

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Old Mar 26, 2026 | 06:53 PM
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Exclamation 2013 Heritage stalling issue

Hi All,
I have a 2013 Heritage that idles fine upon cold starts and runs strong when I ride it. However, as soon as I approach a stop (i.e., downshift to 1st and pull in the clutch lever) the engine quickly stalls out. It's almost like it ran out of gas or stopped getting spark. It starts right back up, and I can continue to ride so long as I manage the throttle to keep the revs a little higher than normal at stop lights.
Has anyone experienced a similar issue?
Thx!
 
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Old Mar 26, 2026 | 10:03 PM
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Does your speedo function correctly?
m
 
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Old Mar 26, 2026 | 10:45 PM
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Originally Posted by marcodarq
Does your speedo function correctly?
m
You know, I didn't notice. I can test that soon. I'm curious why you ask that?
 
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Old Mar 27, 2026 | 01:33 PM
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the ecm gets a signal from the speedo to know if the bike is moving or not, so that the ecm can control idle speed, If the ecm does not know that the bike is still and not in motion, it wont attept to control idle speed.
m
 
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Old Mar 27, 2026 | 02:35 PM
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Originally Posted by marcodarq
the ecm gets a signal from the speedo to know if the bike is moving or not, so that the ecm can control idle speed, If the ecm does not know that the bike is still and not in motion, it wont attept to control idle speed.
m
I did not know that. Thanks for the knowledge!
 
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Old Mar 28, 2026 | 04:25 PM
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Also check your iac is clean and working. Plenty of threads on that subject.
 
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Old Mar 29, 2026 | 06:10 AM
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Originally Posted by marcodarq
the ecm gets a signal from the speedo to know if the bike is moving or not, so that the ecm can control idle speed, If the ecm does not know that the bike is still and not in motion, it wont attept to control idle speed.
m
I thought the ECM got speed info from the VSS (or speedometer sensor).
I think it's located somewhere near the back of transmission. If the
sensor isn't working, the speedo won't work either.

T.
 
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Old Mar 29, 2026 | 11:02 AM
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you are correct,,,,,the speedo operationg, though is usually the guide to the process.
m
 
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Old Mar 29, 2026 | 11:16 AM
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Originally Posted by TopDogRJH
Hi All,
I have a 2013 Heritage that idles fine upon cold starts and runs strong when I ride it. However, as soon as I approach a stop (i.e., downshift to 1st and pull in the clutch lever) the engine quickly stalls out. It's almost like it ran out of gas or stopped getting spark. It starts right back up, and I can continue to ride so long as I manage the throttle to keep the revs a little higher than normal at stop lights.
Has anyone experienced a similar issue?
Thx!
A lost of idle control coming up to a stop indicates a lack of fuel most likely. Why is because the idle is lean for emissions control. When all is correct, as you have seen, it's fine.

DOES IT HAVE AN AFTERMARKET TUNER. IF SO, ONLY SIMPLE BELOW PROBABLY APPLY.

I had the same exact condition. Filled up going to work. Coming home, I had to keep it running with throttle when stopping.

It was the fuel.

Start with simple and eliminate them..

How is the maintenance record? Up to date? Any engine diagnostic codes.

I would start with above? Then I would syphon all the fuel and replace it before getting into serious diagnostic checking.

Are you capable of that after simple? How many miles on bike? PS..Crank sensor, MAP, Air temperature and speed sensor throws codes.

Fuelpump pressure, temperature sensor, TPS, and IAC usually don't. The IAC will if it catches it off 200 for 5 seconds but it usually dies to quick if it's lazy. Usually cleaning doesn't help if motor is fowled.
 

Last edited by Jackie Paper; Mar 29, 2026 at 12:13 PM.
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Old Apr 11, 2026 | 05:15 PM
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Similar problem so I'll just jump into this thread, with a few extras. 2013 Dyna Street Bob with 71k miles.

MAP sensor code (can't remember the exact code) so went ahead and replaced the MAP sensor with a cheap ($14) sensor just to see if the problem went away. Problem still there, but no code.

U0141 code suggesting wiring issues from left handlebar. Nothing changed on bike so not a "mechanic error" but could certainly be one of those wires. So I'll need to pull wiring a bit and check.

IAC seems to be working properly, cycles as expected. Fuel pump running but haven't checked the pressure yet. Probably should be next step.

Any other thoughts appreciated.

Bike belongs to a buddy who is selling cause his shoulders aren't letting him ride much anymore so the sooner we can get it diagnosed and fixed the sooner he can get it out of his garage.
 
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