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Bike surging -- out of town, please help!


Bunbun

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Hey guys, I went on a short trip today, filled up once and hit the road again. About 40 miles after the fill up, I hit a bump - not really bad and didn't upset the bike but it was pretty harsh. As soon as I hit the bump, the FI light came on and the bike started to slow -- no gas. About 2 seconds later, the light goes off and everything is fine. For the next 10 miles, the FI light would come on when I hit a decent bump (not all bumps, just the ones you'd notice). The light came on about 3 or 4 more times and would immediately go off. I pulled into a service station and as soon as I got in and down to idle, the bike died completely. After a quick examination, I didn't see anything wrong, cranked up the bike and headed down the road to my destination a few miles away. Light came on a couple more times and went off.

On the way to my current destination, it happened a few more times and I noticed a few more odd bits. This time, it didn't matter if I hit a bump or not as the light came on when it was a smooth surface. The duration of the light seemed a bit longer these two times. In town, it surges very badly, but the light is not on. At the beginning of the ride the bike did overheat to about 250-252 for a brief period (4 or 5 times) in traffic but it never stayed over 250 for more than a few seconds at a time, and the duration of the 240+ degree temps was about 5 mins.

It's been about a month since I've ridden the bike, but I put about 150 miles on it before this started happening. I'm at my GF's mom's house near terrell, tx and my tool selection is limited to what I always keep with me. I've taken off the tank and don't see any crimped lines or anything terribly obvious broken, missing or leaking. I figure there may be crap in the tank or something got jarred when I initially hit that bump, something wrong with the computer or the fuel pump is dying.

I don't have my manual here, but I do have broadband neenernet. Please help me out! Any suggestions on troubleshooting or have any idea what could be wrong? Or can someone post me a link to download a pdf manual for the bike?

Thanks!

Bun

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Would this be a 2000 model? Then I would look to the wire loom.

If not I would get rid of the fuel you have and try fresh fuel.

I'm not sure how to check the fuel pressure reg. but that could be causing this.

Do a search in here about Fuel pressure regs.

Good luck, wish I could be more help.

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Check and make sure your battery connections are secure. Also check all fuses and solenoids to make sure none are loose.

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Check and make sure your battery connections are secure. Also check all fuses and solenoids to make sure none are loose.

+1 on something electrical. Sounds very much like a loose connection somewhere.

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Interesting you mention the battery. I've had a few other very minor issues with the electrical and I was thinking my battery may be dying. I've not replaced it since I've had the bike (2 years) and I have no idea if it was replaced at any time by the PO. Good thing to look at.

I've checked fuses, however I haven't checked much other electrical related stuff -- good call, I'll do that here in a few minutes. Thanks for the assistance and any other ideas are welcome!

It's an 02 bird btw eddy -- no issues with that year for the loom that you know of?

Bun

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well, thanks for the ideas, I think y'all may have called it. I checked the terminal connections and the ground screw on the battery was about a turn or so loose. Hopefully that'll do it -- appreciate the 'other set of eyes' and the KISS reminder :)

Bun

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+1 2000 wiring loom - I just did mine, sounds very similar and after doing it, basically the whole bike grounds in those dozen or so wires, anything can happen. It was classic when I was wiggling mine while it was running, the bad connections would make the whole system go just ape shit. Lights flickering blinkers coming on / off, stuttering engine etc...

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