What is the puzzle?

Leave off that wire and go.

Eric Caron 
PS. This is why I ask questions but seldom answer!  I”m working on about 35 years of learning from you good folks and local friends.
Looking forward to the solution.  But I’m pretty sure it is a ground wire, electrons in the wrong place, a vacuum issue, or fuel delivery.

> On Jun 7, 2022, at 12:35 AM, OlRivrRat <OlRivrRat@COMCAST.NET> wrote:
> 
>        1985 with 1.9L,, Idle sounds pretty smooth but eng’ does a significant amount
> 
> of rocking & when rev’ed off of idle rocking goes away & it runs pretty nice ~
> 
>        The puzzle > When pulling SparkPlug Wires to see if there is a Cyl’ with an issue,
> 
> #1              Causes very slight degrade in smoothness
> 
> #s 2&4  Cause Significant smoothness degrade
> 
> #3              Causes Smooth as glass idle (No Rocking) & also runs good off idle ~