lude01 wrote:
> I own a 2001 Prelude. I started getting "bad egr valve" code from my
> car's computer. I bought a mew egr valve ($180) and light came back on
> same code. I have a friend that is a mechanic at my local Honda
> dealership. He told me to drill to remove 4 melal plugs from the intake
> manifold and clean the ports underneath those plugs. Honda sells
> replacemrnt plugs for like $.15 each. Worked like a charm. Removed
> large amount of carbon with air hose.
> While putting the replacement plugs in the holes I knocked one of the
> too far and it fell down into the manifold. Can this be a problem?????
>
yes definitely! that sucker will get sucked into the cylinder and ruin
your day. gotta take the manifold off and shake it out i'm afraid.

but good job on getting the egr system sorted out - that'll make the car
run like new.