| Author | Message | ||
     Daveinm  |
I've had the TFI on for a week. Got my bike dyno tuned last Friday. My engine light just started coming on and off while riding yesterday. I just ran the little trouble code tool and it replied with error code 23. According to the manual, 23 is an issue with the fuel injectors. Anyone have any info on this issue? | ||
| Ingemar |
Do you have the technoresearch tool? If you do, it includes a test for the injectors. Maybe it give you more info. | ||
| Daveinm |
No, I only have that little plug with the wire in it. Similar to this one....http://www.ironmachine.com/product_info.php?cPath=49&products_id=29 | ||
| Reepicheep  |
Check where the wiring harness is routed from the ECM. It is easy for it or the negative battery terminal to get moved around and to rub on each other, at which point some random ECM wire gets grounded intermittently. It happenened to me, I rerouted and added a short section of plastic wire loom around the bundle. | ||
| Daveinm |
Here are my settings. 2:15, 4:30, 3:30, 2:50 just in case it's not visible.  | ||
| Daveinm |
Another thing....The manual says you need to stop and start the bike 50 times to clear the code when using this diagnostic method. Is that true? Sounds pretty ridiculous. | ||
| Tank_bueller  |
Holy smokes!! They want $25 for a terminal jumper?(I've got better things to spend that cash on) No expert here, but, if all was well and working before, and suddenly you have a c/e light, sounds like a shorted wire/loose connection/ or bad injector. Code 23 is for the FRONT injector. I would check the simple things first, like wire chafing/loose connection. tank | ||
| Daveinm |
I didn't pay $25 for mine. I got it for $10 on Ebay. Regardless...I just checked all the wires and plugs and everything seems fine. Any other suggestions out there? | ||
| Tank_bueller |
$10 sounds more reasonable. If you have an ohm-meter, you can check the injector. Should be @12.25 ohms, according to the manual | ||
| Daveinm |
My bike seems to be running fine. There is no hesitation or misfiring or anything. I have a ohm meter. I don't know how to use it well, but i'll give it a shot. | ||
| M1combat  |
It's your fourth pot. It needs to be at seven. I believe your AFV has crept to the end of it's range. The fourth pot is NOT an RPM pot like the manual says and it doesn't work like it says on the techlusion website. It attenuates the O2 signal. Take the bike to a dealer (if it more than a few miles, put it in a truck) and have the AFV (NOT THE TPS) reset. After that, put your fourth pot at seven and leave it there. | ||
| M1combat |
After the AFV reset, put the settings at the recommended 3, 7, 4, 7. Tune from there, but don't move number four. | ||
| Daveinm |
It ran like crap with those settings. That's what I had it set to before I dyno tuned it. I have the charts being emailed to me. Maybe that will shed some light on the problem. | ||
| M1combat |
You need to put the fourth pot at seven. Your AFV has crept to one end of it's range. | ||
| M1combat |
It doesn't matter what your first three end up at, but the fourth needs to be at seven. Call George Levings at Dobeck. I've installed a Force pipe on my 12R and I've talked to him at length about how the TFI works. | ||
| Odie  |
Daveinm, you do have to start it 50 times to clear the code out of the ECM but that doesn't mean your CE light will be on until that time, just that the code is retained for viewing until 50 start sequences....Odie | ||
| Daveinm |
Ok, I did what you said M1 and set the 4th pot at 7. Everything seems to be fine. I just got back from a 40 mile ride. I ran the bike at 3200 for about ten minutes, of course. No engine light at all. We're going back out in a bit, so hopefully everything is still cool. Odie: Can I just leave it and let it reset after I start it 50 times, or does it have to be 50 times in a row? | ||
| Opto |
M1, the AFV will reset itself if the TFI is removed/disconnected for a short run. After the TFI is refitted/reconnected the AFV *should* stay where it was, otherwise the A/F ratio would change. I think that's the whole point of the 4th pot, to keep the AFV from changing. Which basically makes a Buell ecm+TFI a permanent open-loop system. Daveinm 50 restarts is what the book says, don't worry it's just a stored code, I've had heaps of them (from tinkering) and they eventually go away. If your bike is running fine I wouldn't worry too much at this stage, you'll find out soon enough what's going on with it. What Reep said sounds like your best shot. The 4th pot setting you are using is a bit uncommon. | ||
| M1combat |
"to keep the AFV from changing. Which basically makes a Buell ecm+TFI a permanent open-loop system." Not quite. It doesn't continually report the same voltage to the ECM. It raises/lowers the voltage based on where the O2 is at. It still allows the 02 to correct for elevation and other atmospheric changes. | ||
| Daveinm |
So does the TFI recalculate the O2 reading and adjust it based on the TFI settings before sending it out to the ECM? | ||
| Kowpow225 |
I think M1 has got you one the right track but be absolutely sure there are no wires from the ecm bundle rubbing ANYTHING on your bike. I had a direct short on my rear injector wire from it rubbing on the battery box. (the little shelf/lip it sits on beneath the seat). This caused the bike to quit randomly, and run fine sometimes, or even run weakly for short periods of time. Might just check it out. | ||
| Odie |
Daveinm, what Opto said. Just a stored code, nothing to worry about. After 50 starts (no matter if they are all in one day or over a 2 week period) the code will no longer be able for retrieval. | ||
| Dale |
Use die electric silicone on the injector wire and ecm. I had a loose wire problem to. Fixed it right up. |
