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Whinning noise from fuel regulator 


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 Post subject: Whinning noise from fuel regulator
Posted: Thu Jan 06, 2005 1:58 pm 
Fordmods Audio and Turbo Expert
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I have a Malpassi Rising Rate fuel reg, and get an intermitent whinning noise from it. I could go 2 or 3 tanks with no noise and then all of a sudden it whines, under a little load or a lot of load. It doesn not matter what fuel i use, or how full the tank is and just as quickly as it comes it wil go.

Any ideas?

I am running a 650hp bosch motorsport fuel pump and larger injectors but cant understand why it comes and goes.



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Posted: Thu Jan 06, 2005 2:08 pm 
Getting Side Ways
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You're not getting any fuel leaking into the vac line?

Is the manifold in boost or does it happen at negative pressure as well?



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