Does the DEF pump buzz???
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Joined: Sep 2019
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Does the DEF pump buzz???
I have a 2019 6.7 and i got home and was I unhooking my gooseneck and there was a buzzing sound from near the Def/ Diesel fill spouts but just under the truck. Didn’t remember hearing it before. Shut truck down to finish unhooking and when I started it back up if was gone. I know the dodges make a click click click sound. Wonder if it was fuel pump or DEF noise? Everything operating normally. Thanks !
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Joined: Sep 2019
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OK thanks! No worries then, but mine was doing it when the truck was Idling, not off.. But I figured it was something related to that system.
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