Originally Posted by XJ8JR (Post 1031518)

I noticed a pattern yesterday regarding the random rpm drops. It seems to only happen after I've been running at highway speeds for a while. I was doing around 70 for about 15 minutes, and at the first stoplight after I exit is when the rpm fluctuates and the vibration is harder. Still not hard enough to make my mirrors shake or anything, but definitely not normal. Almost as if there's a random pulse emanating from the engine. Or likes its shivering ever so slightly.

Originally Posted by aimulaidni (Post 1913864)

Hey, I know it's a very old thread but I just wanted to check if you figured out what the issue was? My car recently started having these vibrations and I can't for the life of me figure out what it is.

Originally Posted by XJ8JR (Post 1915754)

Sorry, I completely forgot about this thread. It was the transmission mount!