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mortar, i have a similar problem with my 22 hemi no e-torque but no popping just vibration and howl when in eco 4cyl with no load and feathering throttle so it doesn't transfer out of eco or MDS. as soon as it returns to all 8 it all is good. Dealer is blowing me off because of no error codes or...

I don't think my issue is the same.It doesn't vibrate always, just in MDS mode while run-in on 4 cylinders. But we have some similarities, I'm a retired mechanic and as dismayed as you. My interactions with Serv Mgr, Customer Care and Field Engineer recognize there's an issue but deem it normal...

well the engineer finally arrived and rode in the passenger seat on a road test with laptop in lap looking at various inputs/outputs. The truck doesn't throw out any errors or did he see anything that would create the vibration but did recognize it. My truck does not have the ATMM system. it has...

I have the same issues and believe its the ATMM system that's not operating correctly and causing the vibration and reduction in gas mileage. My dealership has called for an engineer to come out and look into it but its already been 2 1/2 weeks of waiting. I'll look tomorrow to see if the...

2022 Ram 1500 2wd. Got 20 mpg on first long trip with very low mileage on odometer. Now at 14K miles its developed a vibration when feathering the throttle out of ECO/MDS and the gas mileage has gone down noticeably. Was 15 city 20 freeway, now 12 city 15-16 freeway Hemi 5.7 / 3:21...