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Buell Forum » Old School Buell » Archive through June 23, 2012 » 2000 x1 lightning backfireing and missing « Previous Next »

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Superwheelin97
Posted on Thursday, June 21, 2012 - 01:33 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

road my bike to work tonight fuel light came on amd started to spudder and miss real bad at 4 grand and above thought i was running low on fuel so i put 5 bucks in gas and still doing it wanted to know if anyone else has had the same prob
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Natexlh1000
Posted on Thursday, June 21, 2012 - 07:36 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

As you run out of gas, your computer tries to compensate for the reduced fuel by altering the mixture rich.
Now you have a good flow of fuel available to the bike, it's too rich.

I suggest riding it on the highway for a few miles and see if it just clears itself up.

I ran into this problem in my first year and have learned to not run it out of gas for this reason.
Sometimes it can be rich enough to foul the plugs.
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Buellistic
Posted on Thursday, June 21, 2012 - 08:27 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

A quick way to clear your ECU's mind is to take the battery cables off and touch them together a couple of times ...

In 50 miles it will re-calobrate its self to the way you ride ...
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Natexlh1000
Posted on Thursday, June 21, 2012 - 12:29 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Disconnecting power doesn't clear out the ECU's memory.

My 1985 Honda CRXsi old primitive fuel injection did though.
I used to have to make the engine light go out by erasing the ECU from time to time.

Sorry train of thought derailed.
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Firemanjim
Posted on Thursday, June 21, 2012 - 01:39 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Tubers and early XB's did not like running low on fuel and you have skewed your AFV ,probably a bunch! As soon as the fuel light comes on we stop tuning and refill.
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