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F4i starting issue

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Old 07-05-2010, 04:14 PM
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Default F4i starting issue

I have a 2002 CBR F4i. When I first start it up for the day, it fires up but then the rpms decrease and then it conks out if I don't sit there on the throttle to keep it running. When it warms up, there are not issues at all. Just put new in new plugs in March. Any help would be appreciated.
 
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Old 07-05-2010, 04:29 PM
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have u tried adjusting your idle or anything?
 
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Old 07-05-2010, 04:35 PM
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Yeah, It's not an Idle issue. That was my first thought too, but then when the bike warmed up, it idled at 2200 rpms.
 
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Old 07-05-2010, 04:43 PM
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temp sensor!
 
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Old 07-05-2010, 04:56 PM
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witht eh bike warm it should be at 1400
 
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Old 07-05-2010, 05:23 PM
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Thanks. I know the rpms should be 1400, I was just saying that when I turned up the rpms, as soon as the bike warmed up my resting rpms were at 2200.
 
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Old 07-05-2010, 05:50 PM
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did you check the eng. temp sensor for the ECM?
thats where the ECM know what to idle the Motor at.
 
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Old 07-05-2010, 06:45 PM
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Thanks Joe, Is that something I can check?? How big of a job is something like that?
 
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Old 07-06-2010, 01:12 AM
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+3 temp sensor
 
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