I just bought a chipper/shredder from a guy. He was driving a pretty nice and well-used 2004 Ram 2500 (edit:fixed) with the CTD. He was saying that the MPG had dropped down to 17 or so and he could not figure out why. Is there any well-known leading suspect?

Last edited by calmopar; 08/27/19 10:15 AM.
Trying to enjoy life!