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Redbat
| Posted on Saturday, June 12, 2010 - 02:56 pm: |
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I'm trying to find out if the O2 sensors are turned off when using the race fuel version. Anyone know? |
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Dennis355
| Posted on Saturday, June 12, 2010 - 04:08 pm: |
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The race ECM does not receive info from the O2 sensors. You can leave them in or buy plugs to put in their place |
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Redbat
| Posted on Saturday, June 12, 2010 - 04:53 pm: |
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Dennis355, Does this apply to the pump gas version, or the race fuel version? Or both? |
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Trafford
| Posted on Saturday, June 12, 2010 - 06:24 pm: |
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O2 sensors are not enabled on race pump gas ecm. O2 data is not processed, which is why all people with the race ECM never have the AFV values vary more than 10. The 'Enable open loop learning' is not set in the Race Ecm but is on the standard one. Its more complex than this but I am just giving an answer to the question in a quick way. |
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Redbat
| Posted on Saturday, June 12, 2010 - 06:56 pm: |
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Thanks Trafford, you verified my suspicion, and helped me understand a small issue I'm trying to figure out. |
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Anonymous
| Posted on Saturday, June 12, 2010 - 07:28 pm: |
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That is not correct. The O2 sensors are on and being used in all pre-programmed Erik Buell Racing ECM's. Why do people post incorrect stuff? |
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Xbud
| Posted on Saturday, June 12, 2010 - 07:37 pm: |
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Because it's the Internet? |
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Redbat
| Posted on Saturday, June 12, 2010 - 10:33 pm: |
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Thanks Anonymous, I guess I'll have to rethink the issue I have. |
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D_adams
| Posted on Saturday, June 12, 2010 - 11:10 pm: |
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What issue are you having? Maybe someone can help from here. |
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Trafford
| Posted on Sunday, June 13, 2010 - 12:15 am: |
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I'm sorry Redbat if I am wrong. I am reporting only what I see in Tunerpro when comparing various Eeproms from std bikes and two different pump gas race ecms. I will look more carefully into it. Tell us what you are trying to do and perhaps Anonymous will have an answer. |
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Redbat
| Posted on Sunday, June 13, 2010 - 10:43 am: |
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D_adams, I originally added a D&D slipon to my CR while still running the stock ECM. My AFV's stayed at 100, frt. & rear. Then I put in an E-B-R pump gas ECM it ran smoother, but lost power in the low to mid rpm range. So I installed a Twin Tec fuel controller with the E-B-R ECM. Tuned it and all was well. Boosted my low and mid range power, higher than ever. AFR's stayed at 100,frt. & rear. Ran it this way for five months, no problems. Then I realized the p/n on my ECM did not match to the pump gas version, but the race fuel version. E-mailed E-B-Racing. Sent unit back for correct ECM. In the mean time I reinstalled my old ECM, with the fuel controller still attatched, and now my AFV's are 128.5 frt. and 100 rear. So where is the problem? |
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Redbat
| Posted on Sunday, June 13, 2010 - 05:15 pm: |
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Anonymous? Maybe you can shed some light on this. I'm just waiting to get my E-B-Racing ECM back, to give this combination a try. Hope it works, because I really like the Twin Tec controller boosting the mid range power. Maybe I won't need it. We'll see. |
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Slaughter
| Posted on Sunday, June 13, 2010 - 05:20 pm: |
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You need to remove the sensors and disable the 02 inputs if you run LEADED race fuel - (Message edited by slaughter on June 13, 2010) |
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Redbat
| Posted on Sunday, June 13, 2010 - 08:32 pm: |
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That's my point. I don't run race fuel. I run pump gas, but I think they sent me the race fuel ECM by mistake. And I ran it in my CR for five months until I discovered it is the wrong version ECM. |
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Jules
| Posted on Sunday, June 13, 2010 - 08:52 pm: |
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If you went back to the stock ECM why did you keep the fuel controller in play? Wouldn't it be better to return to stock configuration pending the arrival of the new race ECM? I'd have thought any tuning you did with the Twin Tec would have been using the base map in your old Race ECM and wouldn't be valid with the stock ECM... |
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Redbat
| Posted on Sunday, June 13, 2010 - 09:09 pm: |
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Jules, at first, I left it in. When it posted a code for the AFV's, I returned all settings back to zero. This zero setting is like removing the fuel controller. But the AFV was still 128.5 frt. and 100 rear. |