hello,

I'm new to the forum due to a issue i haven't been able to figure out on my truck.
when I'm cruising between 35 and 40 mph the rpm are around 1800 and the truck runs fine. Then it drops down to around 1100 rpm and the whole truck shakes. its not just a shimmy either its enough to knock a coffee out of the cup holder.

I had the trans rebuilt 2 years ago with a new torque converter. its a 2008 dodge ram 1500 bighorn 4x4 with a 5.7. the receipt for the transmission says its a 545rfe.

Any advice would be greatly appreciated.

 

Sounds like a miss. (engine) Are you getting any codes?

Going to move this to the third-gen ram section for ya.

Welcome to DF!

 

thanks for the reply

No codes so far. only been a few days since it started acting up. i have 201k on it. new plugs in it around 180k. i don't know if the coils have been replaced.

 

Hi 08_big_horn,

Sorry to hear about this! If you decide to visit your local dealership for further diagnosis I'd be happy to follow up with them for you if needed. Just PM our page with your VIN and let me know.

Andrea
Dodge Social Care Specialist