Recent content by CG103480

Yeah, can’t say I’m a fan either, but I’ve gotten several opinions all amounting to nothing. The whine was there before and after the CP4 replacement. To me it sounds louder lately but it’s probably because I’m hypersensitive to it.

Thanks for confirming. Not something I was aware of before, but glad it’s nothing to worry about mechanically.

Good Morning, Did you ever get anymore info about this issue? I have the exact same whine and took it in to the dealer. The CP4 went out and they replaced the fuel system, but the whine is still there and seems to be getting worse (not sure if it’s because I’m more attuned to it). I took it...

Thanks for this. Yes, looks like they put in a CP4.2 and I talked to the mechanic today, who said he performed the software update. Still getting the whining noise, but I’m going to post some details in a new thread. Thanks again and to the OP for letting me piggyback on the thread.

Hey, brand new to diesel truck ownership. I’ve got a 2020 2500 Laramie Mega Cab and just had it in the shop for almost four weeks with a fuel pump failure. Same deal here, threw metal shavings into the whole system. Bought it CPO, so thankfully the warranty covered it, but I just picked it up...