On 18 Aug 2006 16:41:36 -0700, "
> wrote:

>I have a engine ping or knocking sound (kind of like a gurgling
>metalic) sound from my engine
>that seems to occur at specific rpm ranges.

This is 100% typical of totally benign resonant rattles and buzzes in
the various heat shields that surround the exhaust system components.

Don
www.donsautomotive.com

> It has happened on and off,
>mostly in the summer. The car has 180K, I take it to a trusted mechanic
>and do all of the 15,000 mile maintenance work recommended by honda,
>including oil changes every 6k.
>Before taking it to the mechanic, is there anything cheap I can try?
>Thanks