I’ve been noticing a sharp power loss on my 2018 4500 for the last couple of days. I assume I got bad fuel or something and my filters are restricted. But this morning I noticed my rail pressure spiking from around 8000psi to 20000psi at the moment of power loss and then staying around 18-20k until I let off the throttle. It’s real noticeable when your dragging 20000 lbs behind you. I got filters but wanted to throw it out here this morning to see what y’all think. It’s almost like it de-rates or goes into limp mode but without cel’s or alarms going off. Opinions?
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