> 1) The engine has a rough idle when warm (500-750 rpms). When I shift
> out of gear and into Neutral or Park it smooths out quite a bit, but
> not completely. It also goes away when driving or pressing the
> accelerator.

My '92 did the exact same thing after 14 years.

> 2) When I am cruising at a steady speed (say between 60-70 mph) on
> level highway, I've noticed that the rpms will jump up about 500 rpms
> for no reason. It feels like a minor gear shift, but with the level
> terrain and the constant speed it shouldn't be shifting. It does this
> "shift" continuoisly back and forth.
> Side note: I'm getting about 23-25 mpg city/hwy combined. To me that
> sounds low.

My '92 did the exact same thing after 14 years.

> 3) I've recently noticed the smell of burning oil when the car is
> parked, but no signs of an oil leak. I had the valve cover and spark
> plug gaskets replaced a few months ago, but this has only started with
> in the past few weeks. Occasionally, there is a puff of white/blue
> smoke that comes from the exhaust on start up.

My '92 didn't do that, but the solution is the same. I traded it in on an
'06 Civic.

Steve