Feels/sounds like rumble strips when at 35/45 mph...help!

[Trainmaster]

Miss? How are the plugs? Any codes?

 

[ctanis]

I had this exact problem, that slowly got worse. My Mechanic was stumped, but some other forum posts helped me solve the issue.

I have my Mechanic Change the Transmission Fluid and Filter, and it cleared up the problem. A simple fix that costs about $300.