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So I just bought a 2008 GSX-R600, bike has a Power Commander on it, FI light is on with code C40, I have a HealTech OBD tool and I’ve tried hooking it up and resetting the ISC valve, I got the light to go off but it came back on fairly quickly.

My idle was at 1450 rpm, I was reading and sounds like it should be around 1300... would this be the cause of the bike throwing the code? If yes, how can I adjust the idle and turn it down a little?.. I just got the HealTech tool so I’m not familiar with it, I’m hoping I can adjust it with this tool.

If the idle being too high is not the issue what else could be the cause of the code?.. bike runs fine, I’ve had zero issues with it, but the light is annoying and I would like it to be off so I know when something is actually wrong.
 
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