Thanks for the tip. I've decided to replace this relic. Know anyone who
might want it?

Richard


"N.E.Ohio Bob" <rgstroud@neo.rr.com> wrote in message
news:400577AB.4F07E5B3@neo.rr.com...
> Off hand, I think there is a float level problem. May have dirt in the
> float chamber, or leaky floats. Find a good (old) mechanic that has been
> around Honda carbs before and see what he says. bob
>
> Richard wrote:
> >
> > 1985 Accord. 172k miles. Carburetor. Manual transmission.
> > Air cleaner recently disturbed to explore occasional carb icing problem.
> > (See http://www.misterfixit.com/carbice.htm)
> >
> > Engine has been running well. **Suddenly** I have a high idle problem.
Near
> > the end of a 20 mile drive on a recent cold day, stopped at a light,
> > suddenly the engine wouldn't idle down. Idling at 2K or more. I let out
the
> > clutch and the car almost drives itself - little accelerator required.
I've
> > not seen idle below 1.5K since. Runs rough, gas smell, and gas
consumption
> > is off the charts. On cold start, idle immediately jumps to 2.5K or more
> > before idling back to about 1.5K. Fast deceleration or sharp left turn
(!)
> > seems to cause idle fluctuation.
> >
> > Why?
> >
> > Thanks
> > Richard D.
> > ************************************************** ***
> > An update:
> >
> > Engine also diesels (run on) for a few moments after shutdown. Never
seen
> > that in cold weather before.
> >
> > Light colored smoke for a few moments on startup in cool/cold weather
has
> > been an issue for a couple of years. Since the high idle began, there is
> > much more smoke for much longer time (several minutes).
> >
> > While out driving this morning there was an interval of several miles
where
> > idle dropped and the engine stalled several times. High idle soon
returned.
> >
> > Thanks for any available insight!
> > Richard D.