Mechanics

PCV VALVE HUMMING NOISE ON W/5.4

2001 Ford Expedition

For the life of me, I cant figure out why the pcv valve on my ford expedition is making a humming noise. Pull the pvc out and plug it with my finger and the sounds gone. Put it back in and it starts buzzing like a banshee! Any ideas will be appreaciated before I take it to the dealer and get anally raped.
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Exrebel56
August 4, 2007.



Just replace it its only a few bucks. Was it running rough also?

Tiny
Kahlessw
Jul 17, 2010.