kaozgamer
New Member
Posts: 4
Likes: 3
Registered: Nov 27, 2021 3:18:35 GMT -7
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Post by kaozgamer on Feb 22, 2022 6:01:16 GMT -7
Just got my ECU reflashed. Disconnected the O2 sensors, reinstalled the ECU, started her up and I immediately got a CEL (O2 heater bank circuit). Not sure what happened as the flash should have disabled the O2 sensors.
What's weird is that I can't even clear the CEL. I tried both a wired scanner and also tried one of those wireless obd2 dongles..no luck.
Any ideas?
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Post by willl84 on Feb 22, 2022 11:31:33 GMT -7
Definitely get ahold of whoever did the flash and let them know
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Post by RedAndBlack on Feb 22, 2022 14:26:14 GMT -7
+1 on that. Welcome to the forum!!!!
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kaozgamer
New Member
Posts: 4
Likes: 3
Registered: Nov 27, 2021 3:18:35 GMT -7
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Post by kaozgamer on Feb 22, 2022 19:56:51 GMT -7
I plugged the O2 sensors back in and managed to clear up the left sensor code. However still can't get rid of the right O2 sensor code.
Spoke to the guys who did the flash and they pointed out that maybe there's something wrong with the right O2 sensor. They suggested to plug the left sensor into the right sensor connector to see if I can get rid of the code (then I should be able to disconnect both sensors and it shouldnt throw any codes). Will give this a try later tonight.
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Post by willl84 on Feb 23, 2022 4:53:07 GMT -7
I plugged the O2 sensors back in and managed to clear up the left sensor code. However still can't get rid of the right O2 sensor code. Spoke to the guys who did the flash and they pointed out that maybe there's something wrong with the right O2 sensor. They suggested to plug the left sensor into the right sensor connector to see if I can get rid of the code (then I should be able to disconnect both sensors and it shouldnt throw any codes). Will give this a try later tonight. It shouldn't matter if there's something wrong as the ECU flash should disable the readings from them anyways. |
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kaozgamer
New Member
Posts: 4
Likes: 3
Registered: Nov 27, 2021 3:18:35 GMT -7
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Post by kaozgamer on Feb 23, 2022 5:25:27 GMT -7
I plugged the O2 sensors back in and managed to clear up the left sensor code. However still can't get rid of the right O2 sensor code. Spoke to the guys who did the flash and they pointed out that maybe there's something wrong with the right O2 sensor. They suggested to plug the left sensor into the right sensor connector to see if I can get rid of the code (then I should be able to disconnect both sensors and it shouldnt throw any codes). Will give this a try later tonight. It shouldn't matter if there's something wrong as the ECU flash should disable the readings from them anyways. Yeah good point. Anyway I'm taking it back to the tuner tomorrow. Will see how it goes. |
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markone
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Registered: Feb 20, 2022 7:06:13 GMT -7
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Post by markone on Mar 5, 2022 6:57:59 GMT -7
Who was the tuner and what was the result?
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kaozgamer
New Member
Posts: 4
Likes: 3
Registered: Nov 27, 2021 3:18:35 GMT -7
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Post by kaozgamer on Mar 10, 2022 19:01:06 GMT -7
Who was the tuner and what was the result? Yep it's all sorted now (tuner was ECU West). Turns out the issue was because of a intermittent O2 check engine light I had before the tune. They had to sort that out and then reflash the ECU. The tune itself is great. Bike runs a lot smoother and it feels like there's more power - or more like the power comes on earlier. |
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cadarius09
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Registered: Jan 6, 2023 20:16:43 GMT -7
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Post by cadarius09 on Jan 6, 2023 20:19:23 GMT -7
So basically they flashed your bike back to stock and cleared the 02 code then refreshed it  ? |
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travis
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Registered: Jun 29, 2018 17:45:10 GMT -7
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Post by travis on Jan 10, 2023 19:47:48 GMT -7
So basically they flashed your bike back to stock and cleared the 02 code then refreshed it ? I've heard of this somewhere. CEL needs to be all clear before flash from what I read. |
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