"jim beam" > wrote in message
...
> GK wrote:
> > 1994 - 4 cylinder Honda Accord - 310K
> >
> > I changed the spark plugs 11,000 miles ago after
> > I replaced the head gasket. Lately, I seem to be getting
> > a rough idle that turns into a very slight vibration at higher
> > rpms. I thought that maybe I had solved the problem by
> > doing the "Italian Tuneup" (driving the "snot" out of it),
> > but it stills exhibits the same problem. The vacuum hoses,
> > rotor, and distributor all checked out fine. I haven't cleaned the
> > throttle plate or idle air control valve yet.
> >
> > I figured I would check out the spark plugs first. The plugs
> > looked fine, they were not fouled and still gapped correctly.
> > However, when I pulled the two outside plugs, the wells that
> > they came out of were both filled about halfway with oil. The
> > oil did not appear to get past the "rubber boot" of the spark
> > plug wire, but it appeared that something wasn't correct. I
> > have sometimes in the past check the oil, and found that it would
> > be low one day, and normal the next. I often wondered if the oil
> > was "migrating" above the engine somehow. Can someone shed some
> > light on what might be happening here.
> >
> > Would it do any harm to try an oil additive like Seafoam?
> >
> >
> > Thanks,
> >
> > Gary
> >
> >
>
> oil leak needs new rocker cover "b" gaskets. rough running maybe a
> balance shaft timing issue since you've had the belts off.
>
> forget oil additives.


When I put the belts back on, I remember wondering
if I had properly adjusted the tension on the timing belt.
I think I was having a hard time accessing a bolt. Could this
cause a rough idle ("dieseling") and a very slight vibration
at higher rpm's?