Engine knock

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Brandi141

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Oct 9, 2016
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Ram Year
2012
Engine
Cummins 6.7
Hey y'all.. newbie here. Wasn't sure the best spot to post my question. If it would be better answered on board please point me in the right direction :)

I have a 2012 dodge 3500 6.7

I cranked it up to run to town and it sounded sluggish almost like I had a battery issue it also made a sound I can't quite describe/figure out . I turned it off and restarted with no issues. 15 miles up the road I get a knocking noise that increases in speed as you accelerate. All of my gauges are good no smoking etc I pull over. After I get it hauled back to the house I checked for blow by and nothing there either. Changed my oil (which was really nasty) and I
Still have a knock. I got a service light a while back that my EGR award dirty. I didn't have it cleaned because I have/had intentions of deleting her. Could this be related to that? Maybe an injector? I'll appreciate any advice on what to check next. I'll attach a video of the sounds.
 
Last edited:

R.L.K.

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Dec 1, 2013
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Location
Bristol , Tn.
Ram Year
2014 4X4 QC Express 6 speed auto 355 differentials
Engine
5.7 Hemi
Are you using a 40 wt oil ?

Pretty sure now Chrysler Fiat is recommending Rotella 40 wt as opposed to the previously recommend 30 wt.

I'll attach a link to the post with the video ....
 

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