Could this be a Power Commander problem?
Road Master
Joined: Aug 2009
Posts: 1,022
Likes: 3
From: Kewanee, IL.
MY 2010 X is doing the same thing! I have the stage 1 AC, Rinehart TD's, and the PCV... only have approx 600 miles on it so far but usually between 2800-3200 just cruising it has this "missfire" or as I say a slight chug! It is very annoying! Im going to call my dyno guy this afternoon and see what he can do about it as well!
Outstanding HDF Member
Joined: Nov 2008
Posts: 2,246
Likes: 19
From: Cypress, TX
I had something similar happening at high rpms (close to the rev limiter with rev extend on) only when shifting through 4th or 5th gear. So it was a pretty rare occurance but when it did occur it was as if the kill switch was hit. I'd let off the throttle and shift up and the bike fired right back up. Emailed Jamie and he said that they had not seen that before.
I checked and I had the older version of the firmware. So I updated the firmware and I have not been able to reproduce the scenario. You might check your firmware on the PCV.
I checked and I had the older version of the firmware. So I updated the firmware and I have not been able to reproduce the scenario. You might check your firmware on the PCV.
The symptom described in this thread has not been a characteristic we have heard of in the many, many PC-V's that we have sold. This includes a large amount of bikes we have dyno tuned in house that we have worked on firsthand, not to mention our PC equipped shop bikes. The unit that we recieved back from DeputyMike is currently on our 2010 bike and has not exhibited any issues and runs perfect. We will be writing some maps with this PC-V on the dyno this week which will allow us to test all load points and specific areas of the map to a higher degree. It is my feeling that this is map related, especially considering the 2 bikes here had cams in them which will cause a rich condition in the low rpms from the change in manifold pressure. Will will certainly continue to look further into this.
__________________
Jamie Long / Fuel Moto USA
The USA's Leader V-Twin EFI & Performance www.fuelmotousa.com
Contact 920-423-3309
Email jamie@fuelmotousa.com
Jamie Long / Fuel Moto USA
The USA's Leader V-Twin EFI & Performance www.fuelmotousa.com
Contact 920-423-3309
Email jamie@fuelmotousa.com
I recommend reinstalling the firmware, but do not recommend using the 1.4.0 version from the Dynojet website as we have seen some software/function glitches for certain operating systems. I highly recommend the firmware 1.3.9 which can be downloaded from our site here http://fuelmotousa.com/PC5%20Moto%20V0.1.3.9.pvu
Outstanding HDF Member
Joined: Jun 2008
Posts: 2,132
Likes: 25
From: NorCal
I had something similar happening at high rpms (close to the rev limiter with rev extend on) only when shifting through 4th or 5th gear. So it was a pretty rare occurance but when it did occur it was as if the kill switch was hit. I'd let off the throttle and shift up and the bike fired right back up. Emailed Jamie and he said that they had not seen that before.
I checked and I had the older version of the firmware. So I updated the firmware and I have not been able to reproduce the scenario. You might check your firmware on the PCV.
I checked and I had the older version of the firmware. So I updated the firmware and I have not been able to reproduce the scenario. You might check your firmware on the PCV.
The Street Glide always runs good. The RK Classic on the other hand...
Every time I ride it and we're haulin' ***, it will act as if I hit the kill switch after a high-rpm upshift near the rev limiter. I have to back off and get back on it and it runs fine.
He has mentioned that it happens to him once in a while as well. I guess I ride his bike harder than he does :O
This behavior started with the Power Commander. It's been consistent before and after the cams and dyno tune. The connections are fine. I don't know what to do, other than to convince my buddy to get the PCV warrantied.
Anyway, I think it's a Power Commander issue. That bike ran like a swiss watch before the PCV
I've got two buddies with PCV's on their '09s. Both have cams and Thunderheaders, and the Street Glide is a 103. Both tuned by the same guy. Both run like a raped ape.
The Street Glide always runs good. The RK Classic on the other hand...
Every time I ride it and we're haulin' ***, it will act as if I hit the kill switch after a high-rpm upshift near the rev limiter. I have to back off and get back on it and it runs fine.
He has mentioned that it happens to him once in a while as well. I guess I ride his bike harder than he does :O
This behavior started with the Power Commander. It's been consistent before and after the cams and dyno tune. The connections are fine. I don't know what to do, other than to convince my buddy to get the PCV warrantied.
Anyway, I think it's a Power Commander issue. That bike ran like a swiss watch before the PCV
The Street Glide always runs good. The RK Classic on the other hand...
Every time I ride it and we're haulin' ***, it will act as if I hit the kill switch after a high-rpm upshift near the rev limiter. I have to back off and get back on it and it runs fine.
He has mentioned that it happens to him once in a while as well. I guess I ride his bike harder than he does :O
This behavior started with the Power Commander. It's been consistent before and after the cams and dyno tune. The connections are fine. I don't know what to do, other than to convince my buddy to get the PCV warrantied.
Anyway, I think it's a Power Commander issue. That bike ran like a swiss watch before the PCV
Outstanding HDF Member
Joined: Jun 2008
Posts: 2,132
Likes: 25
From: NorCal
When shifting at high RPM's the drive by wire system requires certain throttle protocol or the ECM closes the throttle blade because it thinks the throttle actuator is stuck open. This usually occurs right near the rev limiter when shifting quickly without fully lifting on the throttle between shifts. If this is what you are experiencing this is not a PC-V issue, it is part of the ECM strategy
I wonder why one bike would do it and another wouldn't? My other friend's Street Glide w/ a PCV and my bike with a TTS Mastertune (also tuned by the same guy) don't exhibit this behavior.
Do you think the firmware might also contribute? Would there be a benefit to changing? What else is there to look for?
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Outstanding HDF Member
Joined: Nov 2008
Posts: 2,246
Likes: 19
From: Cypress, TX
When shifting at high RPM's the drive by wire system requires certain throttle protocol or the ECM closes the throttle blade because it thinks the throttle actuator is stuck open. This usually occurs right near the rev limiter when shifting quickly without fully lifting on the throttle between shifts. If this is what you are experiencing this is not a PC-V issue, it is part of the ECM strategy
I didn't mean to bash the PCV. It has worked flawlessly other than this. I have about 17,000 miles on mine now and I have only seen this happen a few times. Usually when I am riding really agressively and shifting fast and hard, perhaps a little sloppy. Thats why what Jamie posted makes sense to me. I am riding to work tomorrow and will try that to see if it happens. I appreciate the fact the Jamie always has a timely response and is not defensive just factual. He responded to my email the same day when I asked my question. I have been EXTREMELY happy with my power package. I posted not because I see this as a real problem for me just that I had loaded the updated firmware and thought it had helped. I thought that might help someone else.
Now I am wondering if my testing after the install was flawed so I will check it out as soon as I can.
Last edited by rg_dave; Mar 29, 2010 at 07:40 PM.