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Difficulty Starting my 2003 Vulcan1600, any ideas?

Looking for answers concerning my 2003 Vulcan 1600. After sitting most of the winter, I go to start it up and my battery was dead. I replace the battery and try to start it but was having a lot of difficulty starting it. It would turn over and sounded like it wanted to fire but was not getting there. I noticed the FI light staying on I played around for a while, added fuel stabilizer. Gave the throttle a couple of turns, and still nothing. I tried the fast idle with not much help there. Finally I was able to get it started by opening the throttle slightly while cranking the starter. The FI light went out. I let it idle for a while then filled up the tank with 93 octane. took it down the mountain and back (about 6 miles). I then added more fuel stabilizer and parked it. I am not sure if it has an EFI regulator. i noticed a small box in the left compartment. I had a little trouble with this last year once. It gave me fits trying to start it. Any suggestions what to look for? Is it common after turning the key to start to have the FI light be red until after it starts?

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Is it starting ok now after that first start and ride? If so it's probably fine. The light is there to indicate faults and if it doesn't come on with the engine on then the computer doesn't have any detected faults. I believe it's normal for the light to be on 'till you start but you could find a Kawi dealer or bike shop and ask just to be sure. As for a EFI regulator, if you're referring to a fuel pressure regulator, I believe it does have one. The most common failure of them is the diaphragm punctures sending fuel into the vacuum line connected to it. It'll be a little metal can attached to the fuel rail near the injectors with a skinny vacuum hose and a fatter fuel hose connected to it. Pull off the vacuum line and see if there's any gas in it, if none start the bike, if still none it's probably fine. If it's leaking it can cause hard starts, stumbling idle, and other running issues. They're generally easy to replace and not much $, the one for my CBR1100 was $40 and took me about 20 minutes to replace.

Posted on Apr 04, 2015


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