Join Date: Apr 2008
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New guy with a new 08 cummins, and dpf questions???
Well, I've been lurking here for awhile and learning what I can from the posts. I've had my 08 2500 Dodge Cummins diesel for just over a week and the troubles have started already. I think it must be the dpf/emissions/regen stuff from what I am reading, but wanted to ask anyways. The other day the truck dropped from 18 to 11 mpg on the freeway. It ran like crap for awhile, but is ok today. It threw a PO 420 code which I cleared with my own Genesys diagnostic tool. So far no new codes. What I am wondering is if it would be any help to install one of the fooler boxes to cut down on the regen/dpf crap? I know I can replace the entire exhaust system and install a box, but I'd like to get out of warranty before visible making mods. So, I'm new at this, it's my first diesel and I need to learn a lot. Any advice or info would be greatly appreciated.