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Whine from HPFP?
I've done a good bit of googling and all but just trying to confirm that this sound is the HPFP and that more than likely it needs a new filter and o rings. Just wanted to see if anyone could maybe confirm this before taking it in. It makes the sound when the pump is priming for 15seconds or...- zgriffx4
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- Forum: 6.7L PowerStroke Engine & Drivetrain
