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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Troubleshooting (Poor Starting/Running/Handling/Ride Issues) » Archive through August 08, 2007 » Is it the D&D or just TPS? « Previous Next »

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Creeker
Posted on Thursday, July 12, 2007 - 04:40 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Ok so I've got a 03xb9s that was stock. 2 months ago I put on a D&D, Race ECM (remapped by AL at American Sport Bike), 07 airbox, and I'm about to change over to an open airbox and reroute the breather hoses.

Two problems
1. The check engine light will come on when I'm riding (high or low RPM'S) then go off after about a few minutes. My fan has been coming on at random times like there is a short in the wire, sometimes it even stays on for 15 min after riding. Then sometimes it doesn't come on when I shut her down after a 10 min ride to the store (3-4k rpm's)?

2. When I'm on the highway doing 70-80 (4k-4.5k rpm's) the engine hesitates and I have a sudden horsepower loss so I have to ease the throttle back then re-apply just to maintain 70mph. This happens at low speeds too but not as bad since I changed from the stock ECM and had a questionable TPS reset done (Hickory HD-Buell). In addition when I stop at a light off the interstate the RPM's are bouncing around from 1500 to 2000 like bananas, (normal idle at 900-1000).

I'm a bit frustrated, almost enough that I want to switch back to stock but I love the sound.

Anybody help?

Travis
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Blake
Posted on Friday, July 13, 2007 - 02:20 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Okay, so I just finished answering this same exact inquiry in another thread.


quote:

Not sure about your fan issue; possible cylinder head temperature sensor or fan wiring/chaffing/grounding/shorting issue?

On the engine issue I'd first suspect the suspect TPS resetting.




Let us know what you find. Hope it is just the TPS. Other possibility is an intake manifold seal air-leak.
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Creeker
Posted on Sunday, August 05, 2007 - 08:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

3 Shorts in the electrical sys were causing the ECM to freak out and a TPS reset too. Thanks to the fellas at Tilley's.

Travis
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Reepicheep
Posted on Monday, August 06, 2007 - 11:50 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Three different shorts? Theres a nightmare scenario... Go buy those tech's a beer...
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