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Visionary
Posts: 1290
Ruskin, Fl | I am about 100 miles shy of 24,000 miles in 22 months. I have has a couple of minor issues, but I am very happy with my Vision. Recently I have had a bad miss, more of a stumble when the engine was cold. It went away when the bike warmed up. It caught my attention since it never did that before. Last night as I got into downtown Plant City for bikefest, the engine light came on when I stopped for a light. When the light changed, I picked up the RPMs and the engine light went out. It did almost stalled when I rolled on the throttle. On the way home, when I rolled off the throttle it felt like there was no engine braking. Than the engine light would come on and you could feel the decel from the engine. Stopped at a light it idled fine. Is this a bad, or going bad idle air control? Also, will there be a trouble code stored in the ECM since it is not on constant? My luck when I get a chance to go the dealer I'm sure it won't do it.
If anybody has had this problem, I'd like to be educated before I bring it in. Even better, just change the IAC myself.
Thanks.
Edited by cw1115 2010-04-04 5:31 PM
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Visionary
Posts: 1340
Gainesville Fl Home of the Gators | If the light was on more then 3 seconds it would have stored a code as historic. As always though the first place to look is at the battery conections, and charge indicator. This does not sound like a failing IAC symptom |
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Visionary
Posts: 1290
Ruskin, Fl | Thanks Kevin. It was putting out over 13 volts at idle. Haven't had the bike out today. I'll start there and let you know.
Edited by cw1115 2010-04-04 6:20 PM
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Visionary
Posts: 3773
Pittsburgh, PA | when was the last time you changed or checked your plugs and plug wires? sounds silly. but my last bike did this to me.. i was on a trip and it start to stumble.. here a spark plug boot some how got Loose.... pushed it down and all was well.. but at that mileage change the plugs while your at it.. its not like it will cost you alot.. ya know? |
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Visionary
Posts: 1340
Gainesville Fl Home of the Gators | Arkainzeye - 2010-04-04 8:10 PM
when was the last time you changed or checked your plugs and plug wires? sounds silly. but my last bike did this to me.. i was on a trip and it start to stumble.. here a spark plug boot some how got Loose.... pushed it down and all was well.. but at that mileage change the plugs while your at it.. its not like it will cost you alot.. ya know?
Good idea to make sure the wires are clipped on, but they will not trip the chk eng light |
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Visionary
Posts: 1290
Ruskin, Fl | Plugs have less than 5K on them. Wires are orig. At one point the light was on for a lot longer than three seconds as I approached a red light off throttle. If the battery connections are good I'll have them scan it on Saturday. |
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Central Wisconsin | cw1115 - 2010-04-04 5:30 PM I am about 100 miles shy of 24,000 miles in 22 months. I have has a couple of minor issues, but I am very happy with my Vision. Recently I have had a bad miss, more of a stumble when the engine was cold. It went away when the bike warmed up. It caught my attention since it never did that before. Last night as I got into downtown Plant City for bikefest, the engine light came on when I stopped for a light. When the light changed, I picked up the RPMs and the engine light went out. It did almost stalled when I rolled on the throttle. On the way home, when I rolled off the throttle it felt like there was no engine braking. Than the engine light would come on and you could feel the decel from the engine. Stopped at a light it idled fine. Is this a bad, or going bad idle air control? Also, will there be a trouble code stored in the ECM since it is not on constant? My luck when I get a chance to go the dealer I'm sure it won't do it. If anybody has had this problem, I'd like to be educated before I bring it in. Even better, just change the IAC myself. Thanks. Just a wild guess...maybe the 60 pin PCM/ECM plug connector under the seat is slightly loose. There is a locking lever on the side used to eject and install the 60 pin connector.
Tom 
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Puddle Jumper
Posts: 11
Port Hardy BC | Starting yesterday the idle started acting up when I re-started the bike after a brief stop. It is going from 1000 to 1500 in rythmec surges. Today it stalled going around a tight corner and did the same thing when I re-started it. Any ideas? The bike has 200 km on it and it is 1000 km drive and a two ferry rides to get to the dealer and back.
Jamie
2009 Vision
2007 Kingpin |
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Visionary
Posts: 1290
Ruskin, Fl | I checked the battery terminals real quick this morning. The negative was tight and the positive took maybe an 1/8 of a turn with a 1/4" drive ratchet. 80+ miles round trip today and no problems at all. Even the bad hesitation when cold was gone. When I have time I'll remove cables and clean them. Hope that was it. I'll keep you posted. Thanks Kevin. |
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Visionary
Posts: 1340
Gainesville Fl Home of the Gators | jambo411 - 2010-04-05 7:23 PM
Starting yesterday the idle started acting up when I re-started the bike after a brief stop. It is going from 1000 to 1500 in rythmec surges. Today it stalled going around a tight corner and did the same thing when I re-started it. Any ideas? The bike has 200 km on it and it is 1000 km drive and a two ferry rides to get to the dealer and back.
Jamie
2009 Vision
2007 Kingpin
Again check the battery, but I do not think that is your deal.
The rythmic idle surge sounds like a Vacume leak, and an IAC trying to keep the RPMs constant. Start by following the three hard plastic tubes from the IAC to the thgrottle body. The rear one has a T with a plug in it. The plug may have come out. |
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Puddle Jumper
Posts: 11
Port Hardy BC | The battery died the other day from the trunk light being on for three days. I put in the battery from my Kingpin, it only has two seasons on it. I hate to ask but where is the IAC? Also the idle only screws up once the engine is hot and has been re-started. |
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Visionary
Posts: 1290
Ruskin, Fl | Kevin knows beter, but from the manual it seems like it's behind the left side wedge, near the coil. |
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Visionary
Posts: 1340
Gainesville Fl Home of the Gators | cw1115 - 2010-04-06 7:41 AM
Kevin knows beter, but from the manual it seems like it's behind the left side wedge, near the coil.
IAC itself is behind the RIGHT wedge. New battery means it has entered relearn. Double check connections, and ride it again. |
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Puddle Jumper
Posts: 32
| Wanted to add to this post since it seems very near my problem. Rough start first thing this morning. Leaving work in the evening, the fuel just seemed to cut out for a second in 1st gear. Just turning onto my road, after a 45 minute drive the check engine light came on for the last 60 seconds of my ride. Parked the bike. Couple hours later I checked the battery connections and the air filter. The voltage is around 12 volts while running. However, now when I start the bike, it is running really rough and dying. If I rev the motor, it is missing, sputtering, backfiring... Given these symptoms, any ideas? Just ran a 900 mile trip ov er the holiday weekend and the bike ran fine, and now this???
Any input would be REALLY appreciated.
Mike |
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Puddle Jumper
Posts: 5
| I have the problem. i contacted the dealer and he told me that the TPS (throttle Position Sensor) has to be recalibrated. He will take a look at it on Saturday let you know the outcome. |
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Visionary
Posts: 1484
LaPorte,Tx. | If you only have 12v while running, there maybe a problem. Even at idle it should be ~12.5v while running down the road ~14.2v. If not, you have a charging problem and you running on the battery, which will soon go dead, and the bike. |
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Puddle Jumper
Posts: 32
| Vicktor
Please let me know what happens. I'm not sure I'll get mine to the dealer that quickly.
Bix |
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Puddle Jumper
Posts: 32
| VisionTex
I will check out the voltage again and try to run the bike down the road to see if it is at 14V when riding down the road. It's running so roughly it makes me nervous to try but I'll have to ride it to the dealer anyway. Thanks for the feedback.
Mike |
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Visionary
Posts: 1484
LaPorte,Tx. | You should not have to run down the road, roll it out of the garage, start up and bring it up to 2000 rpm and hold there. The volt gauge should come up to ~14.2v. The stator on mine went out a couple of months ago while on a ride. The voltage immediatly dropped to ~13.5v, then kept on dropping over the last 100 miles. Once home I checked it out vs. the service manual, and by the time I did that the voltage wouldn't go above ~12v. |
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Puddle Jumper
Posts: 32
| Checked out the voltage, it wasn't an issue. I think I wasn't paying close enough attention the first time I posted. I just got back from dropping the bike off at the dealer. I ran her hard on the way to the dealer and it ran well, but after going inside the shop, we started it up and it was coughing and sputtering all over again. Oh well, hope to have her back soon, this is the best time of the year to ride around here!
I'll post again once it's all straightened up.
Bix
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Cruiser
Posts: 226
on the edge of Los Angeles | All I can say from experience is Battery Battery Battery Battery.
I along with the dealer I took it too in Vegas could not believe it either. But since that time no issues. Change it now cause its cheap insurance.
New vehicles and systems seem to be very sensitive to voltage related issues. I had a co worker tell me his interior lights did some weird things and so forth I asked how old the car was and it was 3 years old I told him change the battery and when he returned from the shop that's exactly what was done post the shops diagnostics..
In the ol days we had points and condensers a weak alternators and mechanical everything else. it would run on real low voltage not the case anymore.
Spend the 100.00 or so and consider it one less possible issue. |
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Puddle Jumper
Posts: 32
| My delaer believes the problem was the IAC. Should know more on Thursday.
Bix |
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Visionary
Posts: 8144
New Bohemia, VA | Bix - 2010-09-14 9:05 PM
My delaer believes the problem was the IAC. Should know more on Thursday.
Bix
...maybe, but mine did what you described when the fuel pump died. Have them clear all faults and check using the digital wrench. If no errors, check the fuel pump pressure... |
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Visionary
Posts: 2027
Brighton, TN | I wonder with all the troubleshooting on this board, how many of you have been able to sway your tech into trying your ideas and how many of them were right. I got into a conversation with my lead tech and he told me everytime a certain fella comes in and tells him what the problem is and how to fix it, the guy is never right. Of course, he learned of it from a forum board. Sounds like this should be another post.
Let the eyes get to rollin' and the nashing of teeth. Hey, where's my popcorn and Dr. Pepper. |
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Visionary
Posts: 1340
Gainesville Fl Home of the Gators | vicktor - 2010-09-08 10:05 PM
I have the problem. i contacted the dealer and he told me that the TPS (throttle Position Sensor) has to be recalibrated. He will take a look at it on Saturday let you know the outcome.
On a Vision I would say this is not the right answer |
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Visionary
Posts: 1340
Gainesville Fl Home of the Gators | varyder - 2010-09-14 9:14 PM
Bix - 2010-09-14 9:05 PM
My delaer believes the problem was the IAC. Should know more on Thursday.
Bix
...maybe, but mine did what you described when the fuel pump died. Have them clear all faults and check using the digital wrench. If no errors, check the fuel pump pressure...
+1 |
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Engine light and idle problem