I took it for a shorter spin around the neighborhood other day. The EGR plate cleaning definitely didn't fix the bucking issue, though I'm sure it didn't hurt. I'm still getting some pretty violent bucking. When wound up, I got a flashing engine light as well which likely means misfiring. I'm going to get new plugs ordered up today after I verify the spark plug index codes on the head. After that, if it persists I'll be looking at the ignition coils and other stuff.
Still, with all that and my trip in to work today, I managed 51.2 mpg. I think at least. I reset the trip A before setting out and that is what I'm at. Unfortunately I have to add another item to the list to fix too, and that is the trip button which doesn't work.
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