At the local honda shop, the guys usually just remove the intake to clean
the ports, and don't worry about the plugs.

"Chip Stein" <chip@chipanddebby.com> wrote in message
news:5ddcea74.0406081838.2150c7e0@posting.google.c om...
> "Jafir Elkurd" <jafir@nospam.no.spam.hotpop.com> wrote in message
news:<10cbchpj4uubh0d@corp.supernews.com>...
> > Normally when the computer throws a code for that, it is because the
lift
> > sensor in the EGR valve doesn't sense the valve opening. Could be a
busted
> > diaphragm (check with a vacuum gauge) or a bad sensor in the valve, or a
bad
> > vacuum control system causing the valve to never open. Usually if you
have
> > EGR port problems the computer thinks everything is working fine.
> >
>
>
> the most common reasons for a code of EGR are insufficient lift, and
> reduced flow. it detects clogged ports by way of the MAP sensor, if
> there's a lot of lift and no pressure change the ports are clogged.
> on one of that vintage you need to remove 6 plugs with a slide hammer
> to clean them.
> Chip