03-26-2019, 01:07 PM
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Member
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Join Date: Jan 2018
Location: NY
Posts: 52
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Quote:
Originally Posted by ard
Just thinking out loud....
A diesel high pressure fuel pump, is running and pumping fluid under tremendous pressure into a dynamic system which has 6 'outlets' (fuel injectors)
As it runs, at speed, you get a nice rhythmic pulsing- fluid enters, fluid exits...everything is happy. Pump spins... every 40 usec a pulse happens.
But then one injector takes a crap. AS a result, the nice "every 40 usec" rhythm is interrupted.
Does this result in a odd 'torsional vibration' in that fuel pump??
Id replace #6.
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I concur! 
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E70 35D
E46 ZHP Coupe
E46 330XI
E83 X3
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