Register a free account today to become a member! Once signed in, you'll be able to participate on this site by adding your own topics and posts, as well as connect with other members through your own private inbox!
My 2019 2500 4x4 cc 3.73 cummins had factory oil fill until 4k miles and I averaged 21.1 mpg empty interstate only
at 4k miles I took it for my free oil change and they put conv 15w40 back in it, I guess they don't read the owners manual, mileage dropped to 20.1 mpg
I could not stand the...
I will not allow the diesel engine calibration on mine, they did one on my 2015 I believe and my mileage went from 19 to 15 mpg. They need to get this stuff worked out before they sell them, why buy a truck with an expectation only to have Ram detune or reduce the capability.
I have purchased Rams since 1994, have had the V10's and the cummins back when they had 215hp and 420 lb/ft of torque. Since the Laramie and higher levels are out of my price range now ,3 months ago I ordered a 2019 2500 Big Horn with anti spin, trailer package, level 2 package, and safety...