Go to the emissions sections of the free online manuals at either

http://www.honda.co.uk/car/owner/workshop.html
or
www.autozone.com

for instructions on how to read the code for this.

"portlandwill" <portlandlentz@aol.com> wrote
>I have a 89 Prelude with a diagnostic light flashing 4 times what does it
> mean????
>