I have what seems like a slight engine studder while cruising.
Decreasing/Increasing at low rpm.
I changed out my front motor mount (which was shot)
But I still feel a slight studder every now and then.
Only does it in D4 and not any other gear.
I've read about cleaning out the EGR system, but haven't gotten around to it yet.
No CELs.
Question is, does the EGR not activate in D3?

Car is all stock w/ 208k miles, and cap, rotor, spark plugs, air filter, have all recently been changed.
Car runs and rides super smooth until these slight studders.

Any thoughts? Thx

 

It's likely it's a clogged egr plate.

Do a youtube search for "eric the car guy egr port cleaning", he did a cleaning on your specific model.