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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Troubleshooting (Poor Starting/Running/Handling/Ride Issues) » O2 trouble light « Previous Next »

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Gabby_duck
Posted on Saturday, May 28, 2016 - 05:30 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

2009 uLy OEM ECM and muffler 02 code 13 light comes on almost like setting a clock. Only after 70 mph to 75 mph and about 12 miles give or take down the road. The trouble light will go off when decelerating below 70mph at around 60 to 65mph bike is running very good at all speeds.I'm using after market Bosch 02 sensor12014.Fuel millage is two up riding is about 39 to 44 miles per gallon. Highway ridding. Location Florida. Air temp around 86deg
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Gabby_duck
Posted on Sunday, May 29, 2016 - 10:41 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

OEM 02 sensor has solved the problem
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Gabby_duck
Posted on Sunday, May 29, 2016 - 10:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

OEM 02 sensor solved this issue
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Gabby_duck
Posted on Sunday, June 05, 2016 - 11:03 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Case still open more info to come
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Gabby_duck
Posted on Monday, June 06, 2016 - 08:41 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The grey connector ,O2 pin on the ECM has a black substance corrosion on it. I have removed the corrosion or substance. Test ride will be next.
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Gabby_duck
Posted on Monday, June 06, 2016 - 09:40 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The grey connector ,O2 pin on the ECM has a black substance corrosion on it. I have removed the corrosion or substance. Test ride will be next.
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Gabby_duck
Posted on Monday, June 13, 2016 - 12:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Test ride after cleaning connector produce same results. I have Google auto's having similar issue caused by defective pressure regulators.
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Gabby_duck
Posted on Saturday, June 18, 2016 - 11:19 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Fuel pressure test was good 50 psi steady at idle and at 2500 rpm and 3000 rpm.I recommend using oil filled presume gauge to remove gauge vibration and oscillations.I bought mine from Pirtek $18.00

(Message edited by Gabby duck on June 18, 2016)
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Gabby_duck
Posted on Saturday, June 18, 2016 - 11:23 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

To be continued
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Gabby_duck
Posted on Saturday, June 18, 2016 - 05:56 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Change plugs to OEM front and rear plug wires also new changed out IAT with spare.Same results.yes the bike is running very good. Just the annoyance of Trouble light code 13 . This bike is OEM with the latest ECM OEM upgrade .Same nuisance code 13. I will not mess with the injectors at this time since the bike is running very good. I do not have a way to data log.

(Message edited by gabby duck on June 18, 2016)
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Gabby_duck
Posted on Monday, June 20, 2016 - 09:46 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

OK change injectors and O rings with new.Performed throttle body leak test.No leaks noted.Test ride still has same nuisance O2 light.Bike is still running very good.
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Gabby_duck
Posted on Monday, June 20, 2016 - 10:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Any suggestions welcomed
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Froggy
Posted on Monday, June 20, 2016 - 11:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I've been watching with every post hoping you figured it out, you already hit all the obvious answers.

Have you checked your AFV? Code 13 is O2 reporting that it is always rich/lean, or that it is not functional. You swapped the sensor ruling out the not functional.
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Gabby_duck
Posted on Tuesday, June 21, 2016 - 08:37 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

OK AFV using old VDTS by technoresearch idling at 364 deg temperature was AFV 100
I'm in Florida sea level
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Gabby_duck
Posted on Monday, July 04, 2016 - 02:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Transient O2 issue might be resolved.Reparied #1 cyl injector WY wire and grey wire. I also changed both injectors O rings front ant rear. So far no more engine trouble light at 70 to 80 mph.
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