Sounds like a vacuum leak.

On 9/5/02 6:59 PM, "John Rodgers" <j_rodgers@CHARTER.NET> wrote:

> My 88 GL has what feels a bit like a "miss" at cruise when the throttle
> is "Feathered".
>
> When accelerating it runs smooth. When deccelerating (in gear) - foot
> completely off the gas pedal - it runs smooth. But with light foot
> pressure, as in going down a slight grade or cruising level ground, it
> has a bit of roughness or "skipping - missing".
>
> Anyone have any ideas?
>
> John Rodgers
> 88 GL Driver
>