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Efi flooded full pump?

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Old Oct 16, 2020 | 03:11 PM
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Default Efi flooded full pump?

If I turned on the kill switch and the ignition over and over again in close succession would that flood the fuel pump.

after a while of doing this I didn’t hear the fuel pump working turning on the kill switch and ignition and got the check engine light and now the bike will not start.

If it is a flooded fuel pump what could I do to fix this?


I was trying to get my fuelpak 3 to sync with my phone which is suddenly stopped working correctly sometimes it will sync but still not allow me to turn off auto tune and gets a error when trying to map a new map before shutting off auto tune.

bike is 2009 street bob
 

Last edited by 1250sportster; Oct 16, 2020 at 03:17 PM.
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Old Oct 16, 2020 | 08:42 PM
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Ya can't "flood" a fuel pump. It pumps gas in from tank and out to injectors. Check for ERROR CODES to find out what ya screwed up.
 
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Old Oct 17, 2020 | 07:01 PM
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I learned by experience with the FP3, when doing downloads and multiple on/off cycles your headlight is a major draw on power, try charging your battery and pull the headlight fuse.
 
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Old Oct 17, 2020 | 07:12 PM
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Not on and off and on and off. That 2 second timer just insures you have 62PSI. It needs that at idle or WOT.

Once CSP hits about 20 counts or motor running, fuel pump runs all rhe time. There is a mechanical bleed to keep 62PSI.

Now hitting the starter and not holding it down long enough to clear both cylinders and getting both running so it fails to start as you get off button too fast will indeed tend to flood it on the next starter press. Mine always cranks longer if I do that . Purposely doing it a few times will require you to go into starting a FI flooded motor. (Hold throttle open slightly and crank).. see owners manual for complete for your system.

This applies to stock. Not a clue how your seat of the pants tuner works. If cylinders and plugs are wet with fuel, it's flooded. Gas engines fire a mixture of fuel and mostly air as a vapor.
 

Last edited by Jackie Paper; Oct 17, 2020 at 07:18 PM.
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