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Buell Forum » Big, Bad & Dirty (Buell XB12X Ulysses Adventure Board) » BB&D Archives » Archive through July 25, 2008 » HELP! Leaving on a trip, now something is failing? « Previous Next »

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Red_chili
Posted on Thursday, July 17, 2008 - 09:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Is there a vacation detector on these bikes, or what?!?

A few weeks ago I had the typical BAS failure symptoms - moving right along, then the motor just stops. Cycle ignition, fires right up. A week later or so, same thing. So I got the BAS replaced under warranty and all is good.

Except it just did the same darn thing.

So if it isn't the BAS, what else throws these symptoms? I know Fatty lost a fuel pump, and it does seem to be fuel (everything else seems to still work) - are these symptoms consistent with the failure mode of the fuel pump?

I am leaving Monday with my wife, after talking her into riding her R100LS on a three day trip through SW Colorado. I have no desire to have it die in the late afternoon on a backroad near Silverton at 10K feet.

Somebunny hep da boy. I suppose it is *possible* I got a bad BAS but I SERIOUSLY doubt it.
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Ft_bstrd
Posted on Thursday, July 17, 2008 - 10:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Can you check the BAS wiring harness for grounding problems. Maybe it's got a break in the wire somewhere.

They did make sure to install the "good" one right?

They did make sure to actually install a "good" one right?
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Johnboy777
Posted on Thursday, July 17, 2008 - 10:08 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

If you ECMspy, you can try turing it off.

.
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Red_chili
Posted on Friday, July 18, 2008 - 12:51 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

They did make sure to install the "good" one right?

They did make sure to actually install a "good" one right?

Believe me, the thought occurred! Stranger things have been done by the otherwise competent.

So you guys still think it is somewhere in the BAS circuit? Fatty, when your fuel pump failed, what were the symptoms?

Believe me, before I go the BAS shall be disabled! Gotta love the ability to control the ECM...
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Ft_bstrd
Posted on Friday, July 18, 2008 - 01:50 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

The pump really didn't show any signs. They checked it while they were sorting out the original BAS problem and it tested low pressure. They replaced it.

Check the pump pressure with ECMSpy and see if it's within spec.
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Red_chili
Posted on Friday, July 18, 2008 - 09:43 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Whoa, I didn't know you could do that. How?
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Red_chili
Posted on Friday, July 18, 2008 - 12:06 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

As it happens, my wife's shoulder went gimpy, so we put off the vacation for a couple weeks. So I have time to diagnose and fix (and/or work with Rocky Mtn H-D to do same).

BTW, Lars confirmed they did not mix up the BASs. : D FWIW, Lars is an ex-KTM guy, we had some fun talks.

I see where you can run the diagnostic functions in ECMSpy of course, but it checks the pressure when it cycles the pump? Or just continuity? If low, it will throw a code for low pressure?

Cool. (if so)

(Message edited by Red_Chili on July 18, 2008)
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