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Old Jul 27, 2019 | 11:23 AM
  #1  
steve1975's Avatar
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Default hydrolock

I have an 2002 F4i and am experiencing an unusual problem.

When i go to start the bike the injectors fill the cyclinders to the point of hydrolock. Crankcase is also filling up with fuel. The bike will not start and the computer is displaying no codes. I thought i might have bad injectors so i replaced them. There was no change.

Any help would be greatly appriciated.

Thanks
 
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Old Jul 27, 2019 | 12:59 PM
  #2  
74demon's Avatar
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From: socal 949/951
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All of the cylinders, or just one?
 
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Old Jul 28, 2019 | 11:50 AM
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All of the cylinders. also checked the bank angle sensor and it checks out as good. the relay clicks and bench tests ok.
thanks
 
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Old Jul 28, 2019 | 02:20 PM
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Found the problem!

Fuel pressure regulator was leqaking fuel past to intake filling the crankcase and cylinders with fuel.
If you have this problem
1: disconnect the vacume line from the Fuel Pressure Regulator
2: If fuel comes out replace the FPR
 
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